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OBD 2 DTC Codes

If you have a problem with your car like your Check Engine Light is turned on and you want to diagnose it, here is the list of manufacturer specific OBD-2 codes aka DTC - Trouble Codes

If you didn't find a right OBD-II code for your car you should consider Generic OBD 2 DTC Codes list.

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> Jeep Owners Manual > Jeep Cherokee / Grand Cherokee Owners Manual > Jeep Grand Cherokee Specific OBD II Trouble Codes (DTC)


Jeep Grand Cherokee Specific OBD II Trouble Codes (DTC)

Diagnose your Jeep problem

This is the list of Jeep Grand Cherokee OBD-2 Diagnostic Trouble Codes (DTC's) that are used by Jeep to diagnose the vehicle problems. Fault codes usually appear after the "Check Engine" light has come on.



The data provided by the OBD-II system can sometimes pinpoint the specific component that has malfunctioned, saving substantial service time and cost. Scanning OBD-II signals can also provide important information when purchasing a used vehicle. Please refer to Jeep Grand Cherokee owners manual first.



This codes are presented for information only. You can always refer to the list of Standard or generic OBD-II DTC.



Scan Code / DRB Scan Tool Display / Description of Diagnostic Trouble Code
P0010 A Camshaft Position Actuator Circuit (Bank 1)  
P0011 A Camshaft Position - Timing Over-Advanced or System Performance (Bank 1))  
P0012 A Camshaft Position - Timing Over-Retarded (Bank 1)  
P0013 B Camshaft Position - Actuator Circuit (Bank 1)  
P0014 B Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)  
P0015 B Camshaft Position - Timing Over-Retarded (Bank 1)  
P0016 Crankshaft/Camshaft Timing Misalignment A rationality error has been detected for camshaft position out of phase with crankshaft.
P0020 A Camshaft Position Actuator Circuit (Bank 2)  
P0021 A Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)  
P0022 A Camshaft Position - Timing Over-Retarded (Bank 2)  
P0023 B Camshaft Position - Actuator Circuit (Bank 2)  
P0024 B Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)  
P0025 B Camshaft Position - Timing Over-Retarded (Bank 2)  
P0030 02 Sensor Heater Control Circuit (Bank 1 Sensor 1) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0031 02 Sensor Heater Control Circuit Low (Bank 1 Sensor 1) Shorted low condition detected in the oxygen sensor 1/1 heater elementcontrol feedback sense circuit
P0032 02 Sensor Heater Control Circuit High (Bank 1 Sensor 1) Shorted high condition detected in the oxygen sensor 1/1 heater element control feedback sense circuit
P0033 Turbo Charger Bypass Valve Control Circuit  
P0034 Turbo Charger Bypass Valve Control Circuit Low  
P0035 Turbo Charger Bypass Valve Control Circuit High  
P0036 02 Sensor Heater Control Circuit (Bank 1 Sensor 2) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0037 02 Sensor Heater Control Circuit Low (Bank 1 Sensor 2) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0038 02 Sensor Heater Control Circuit High (Bank 1 Sensor 2) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0042 02 Sensor Heater Control Circuit (Bank 1 Sensor 3) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0043 02 Sensor Heater Control Circuit Low (Bank 1 Sensor 3) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0044 02 Sensor Heater Control Circuit High (Bank 1 Sensor 3) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0050 02 Sensor Heater Control Circuit (Bank 2 Sensor 1) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0051 02 Sensor Heater Control Circuit Low (Bank 2 Sensor 1) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0052 02 Sensor Heater Control Circuit High (Bank 2 Sensor 1) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0056 02 Sensor Heater Control Circuit (Bank 2 Sensor 2) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0057 02 Sensor Heater Control Circuit Low (Bank 2 Sensor 2) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0058 02 Sensor Heater Control Circuit High (Bank 2 Sensor 2) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0062 02 Sensor Heater Control Circuit High (Bank 2 Sensor 2) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0063 HO2S Heater Control Circuit Low (Bank 2 Sensor 3) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0064 HO2S Heater Control Circuit High (Bank 2 Sensor 3) Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
P0065 Air Assisted Injector Control Range/Performance  
P0066 Air Assisted Injector Control Circuit or Circuit Low  
P0067 Air Assisted Injector Control Circuit High  
P0068 Manifold Pressure/Throttle Position Correlation MAP sensor signal does not correlate to throttle position sensor signal. Possible vacuum leak.
P0070 Ambient Temp Sensor Stuck A rationality error has been detected in the ambient temperature sensor test.
P0071 (M) Ambient Temp Sensor Performance Ambient change less than 3° C in 200 miles.
P0072 Ambient Temp Sensor Low Input Ambient temperature sensor input below the minimum acceptable voltage.
P0073 Ambient Temp Sensor High Input Ambient temperature sensor input above the maximum acceptable voltage.
P0074 Ambient Air Temperature Sensor Circuit Intermittent  
P0075 Intake Valve Control Solenoid Circuit (Bank 1)  
P0076 Intake Valve Control Solenoid Circuit Low (Bank 1)  
P0077 Intake Valve Control Solenoid Circuit High (Bank 1)  
P0078 Exhaust Valve Control Solenoid Circuit (Bank 1)  
P0079 Exhaust Valve Control Solenoid Circuit Low (Bank 1)  
P0080 Exhaust Valve Control Solenoid Circuit High (Bank 1)  
P0081 Intake valve Control Solenoid Circuit (Bank 2)  
P0082 Intake Valve Control Solenoid Circuit Low (Bank 2)  
P0083 Intake Valve Control Solenoid Circuit High (Bank 2)  
P0084 Exhaust Valve Control Solenoid Circuit (Bank 2)  
P0085 Exhaust Valve Control Solenoid Circuit Low (Bank 2)  
P0086 Exhaust Valve Control Solenoid Circuit High (Bank 2)  
P0101 Mass or Volume Air Flow Circuit Range/Performance Problem  
P0102 Mass or Volume Air Flow Circuit Low Input  
P0103 Mass or Volume Air Flow Circuit High Input  
P0104 Mass or Volume Air Flow Circuit Intermittent  
P0105 Manifold Absolute Pressure/Barometric Pressure Circuit  
P0106 (M) Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem MAP sensor input voltage out of an acceptable range detected during reading of barometric pressure at key-on.
P0107 (M) Manifold Absolute Pressure/Barometric Pressure Circuit Low Input MAP sensor input below minimum acceptable voltage.
P0108 (M) Manifold Absolute Pressure/Barometric Pressure Circuit High Input MAP sensor input above maximum acceptable voltage.
P0109 Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent  
P0110 Intake Air Temp Sensor Stuck A rationality error has been detected for the intake air temperature sensor.
P0111 (M) Intake Air Temperature Circuit Range/Performance Problem Air change less than 3° C in 200 miles.
P0112 (M) Intake Air Temperature Circuit Low Input Intake air (charge) temperature sensor input below the minimum acceptable voltage.
P0113 (M) Intake Air Temperature Circuit High Input Intake air (charge) temperature sensor input above the maximum acceptable voltage.
P0114 Intake Air Temperature Circuit Intermittent  
P0115 Engine Coolant Temperature Circuit  
P0116 Engine Coolant Temperature Circuit Range/Performance Problem A rationality error has been detected in the coolant temperature sensor.
P0117 (M) Engine Coolant Temperature Circuit Low Input Engine coolant temperature sensor input below the minimum acceptable voltage.
P0118 (M) Engine Coolant Temperature Circuit High Input Engine coolant temperature sensor input above the maximum acceptable voltage.
P0119 Engine Coolant Temperature Circuit Intermittent Engine coolant temperature sensor input above the maximum acceptable voltage.
P0120 Throttle/Pedal Position Sensor/Switch A Circuit Engine coolant temperature sensor input above the maximum acceptable voltage.
P0121 (M) Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem TPS signal does not correlate to MAP sensor signal.
P0121 (M) Accelerator Position Sensor (APPS) APPS voltage input below the minimum acceptable voltage.
P0122 (M) Throttle/Pedal Position Sensor/Switch A Circuit Low Input Throttle position sensor input below the acceptable voltage range.
P0122 (M) Accelerator Position Sensor (APPS) Signal Voltage Too Low APPS voltage input below the minimum acceptable voltage.
P0123 (M) Throttle/Pedal Position Sensor/Switch A Circuit Intermittent Throttle position sensor input above the maximum acceptable voltage. Follow all appropriate diagnostics for the fault that is present. Prior to replacing parts, check all connectors between the speed control switch and the PCM for moisture Internally the PCM uses the same A/D (analog to digital) converter for TPS voltage as it does for the speed control switch sense. If the v-37 circuit has voltage bleed over from another source, a code of TPS Shorted to voltage may be set in the PCM. The DN model equipped with rear heat option, has an external water pump to circulate coolant to the rear heater. If you find coolant in the bulkhead connector, the likely cause would be a leaking coolant pump. Pump should be replaced if found leaking. If the code sets when the A/C is turned on go right to the bulk head connector and check for moisture. Check for a shorted clock spring causing the speed control 5 volt feed to be shorted to power.
P0123 (M) Accelerator Position Sensor (APPS) Signal Voltage Too High APPS voltage input above the maximum acceptable voltage.
P0125 (M) Insufficient Coolant Temperature for Closed Loop Fuel Control Time to enter Closed Loop Operation (Fuel Control) is excessive.
P0125 (M) Engine is Cold Too Long Engine does not reach operating temperature.
P0126 Insufficient Coolant Temperature for Stable Operation  
P0127 Intake Air Temperature Too High  
P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) A rationality error has been detected for the thermostat.
P0129 Barometic Pressure Out-of-Range low MAP sensor input voltage out of an acceptable range detected during reading of barometric pressure.
P0130 O2 Sensor Circuit (Bank 1 Sensor 1) An open or shorted condition detected in the ASD or CNG shutoff relay control ckt.
P0131 (M) O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) Oxygen sensor input voltage maintained below normal operating range.
P0132 (M) O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) Oxygen sensor input voltage maintained above normal operating range.
P0133 (M) O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) Oxygen sensor response slower than minimum required switching frequency.
P0134 (M) O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) Neither rich or lean condition is detected from the oxygen sensor input.
P0135 (M) O2 Sensor Heater Circuit (Bank 1 Sensor 1) Oxygen sensor heater element malfunction.
P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2) An open or shorted condition detected in the ASD or CNG shutoff relay control ckt.
P0137 (M) O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) Oxygen sensor input voltage maintained below normal operating range.
P0138 (M) O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) Oxygen sensor input voltage maintained above normal operating range.
P0139 (M) OS Sensor Circuit Slow Response (Bank 1 Sensor 2) Oxygen sensor response not as expected.
P0140 (M) O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) Neither rich or lean condition is detected from the oxygen sensor.
P0141 (M) O2 Sensor Heater Circuit (Bank 1 Sensor 2) Oxygen sensor heater element malfunction. O2 sensor voltage greater than 3 volts for 60 to 240 seconds.
P0142 (M) Sensor Circuit Malfunction (Bank 1 Sensor 3) Oxygen sensor heater element malfunction.
P0143 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3) Oxygen sensor input voltage maintained below normal operating range.
P0144 O2 Sensor Circuit High Voltage (Bank 1 Sensor 3) Oxygen sensor input voltage maintained above normal operating range.
P0145 O2 Sensor Circuit Slow Response (Bank 1 Sensor 3) Oxygen sensor response slower than minimum required switching frequency.
P0146 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3) Neither rich or lean condition is detected from the oxygen sensor.
P0147 O2 Sensor Heater Circuit (Bank 1 Sensor 3) Oxygen sensor heater element malfunction.
P0148 Fuel Delivery Error  
P0149 Fuel Timing Error  
P0150 O2 Sensor Circuit (Bank 2 Sensor 1)  
P0151 (M) O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) Oxygen sensor input voltage maintained below normal operating range.
P0152 (M) O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) Oxygen sensor input voltage sustained above normal operating range.
P0153 (M) O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) Oxygen sensor response slower than minimum required switching frequency.
P0154 (M) O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) Neither rich or lean condition is detected from the oxygen sensor.
P0155 (M) O2 Sensor Heater Circuit (Bank 2 Sensor 1) Oxygen sensor heater element malfunction.
P0156 (M) O2 Sensor Circuit Malfunction (Bank 2 Sensor2) Oxygen sensor heater element malfunction.
P0157 (M) O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2) Oxygen sensor input voltage maintained below normal operating range.
P0158 (M) O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) Oxygen sensor input voltage maintained above normal operating range.
P0159 O2 Sensor Circuit Slow Response (Bank 2 Sensor 2) Oxygen sensor response slower than minimum required switching frequency.
P0160 (M) O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2) Neither rich or lean condition is detected from the oxygen sensor.
P0161 (M) O2 Sensor Heater Circuit (Bank 2 Sensor 2) Oxygen sensor heater element malfunction. O2 sensor voltage greater than 3 volts for 60 to 240 seconds.
P0162 (M) O2 Sensor Circuit Malfunction (Bank 2 Sensor 3) Oxygen sensor heater element malfunction.
P0163 (M) O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)  
P0164 (M) O2 Sensor Circuit High Voltage (Bank 2 Sensor3)  
P0165 O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)  
P0166 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)  
P0167 OS Sensor Heater Circuit (Bank 2 Sensor 3)  
P0168 Fuel Temperature Too High  
P0169 Incorrect Fuel Composition  
P0170 Fuel Trim (Bank 1)  
P0171 (M) System too Lean (Bank 1) A lean air/fuel mixture has been indicated by an abnormally rich correction factor.
P0172 (M) System too Rich (Bank 1) A rich air/fuel mixture has been indicated by an abnormally lean correction factor. Was the fuel pressure checked with a DRBIII pressure transducer? Is the fuel pressure within specification with engine running at normal operating temperature? Verify the correct DRBIII PEP module pressure transducer is being used It is critical when reading pressures with the DRBIII PEP module pressure transducers that the proper transducer is being used. A too high of value transducer will cause inaccurate readings. It is also critical that the DRBIII and pressure transducer is zeroed out before taking a reading.Repair or replace any fuel system malfunctioning components.
P0173 (M) Fuel Trim Malfunction (Bank 2)  
P0174 (M) System too Lean (Bank 2) A lean air/fuel mixture has been indicated by an abnormally rich correction factor.
P0175 (M) System too Rich (Bank 2) A rich air/fuel mixture has been indicated by an abnormally lean correction factor.
P0176 Fuel Composition Sensor Circuit No calibration voltage present from flex fuel sensor.
P0177 Fuel Composition Sensor Circuit Range/Performance  
P0178 Fuel Composition Sensor Circuit Low Input Flex fuel sensor input below minimum acceptable voltage.
P0178 Water in Fuel Light—Water In Fuel Sensor Voltage Too Low Loss of water-in-fuel circuit or sensor.
P0179 Fuel Composition Sensor Circuit High Input Flex fuel sensor input above maximum acceptable voltage.
P0180 Fuel Temperature Sensor A Circuit  
P0181 Fuel Temperature Sensor A Circuit Range/Performance  
P0182 (M) Fuel Temperature Sensor A Circuit Low Input Compressed natural gas temperature sensor voltage below acceptable voltage
P0183 (M) Fuel Temperature Sensor A Circuit High Input Compressed natural gas temperature sensor voltage above acceptable voltage
P0184 Fuel Temperature Sensor A Circuit Intermittent  
P0185 Fuel Temperature Sensor B Circuit  
P0186 Fuel Temperature Sensor B Circuit Range/Performance  
P0187 Fuel Temperature Sensor B Circuit Low Input  
P0188 Fuel Temperature Sensor B Circuit High Input  
P0189 Fuel Temperature Sensor B Circuit Intermittent  
P0190 Fuel Rail Pressure Sensor Circuit  
P0191 Fuel Rail Pressure Sensor Circuit Range/Performance  
P0192 Fuel Rail Pressure Sensor Circuit Low Input  
P0193 Fuel Rail Pressure Sensor Circuit High Input  
P0194 Fuel Rail Pressure Sensor Circuit Intermittent  
P0195 Engine Oil Temperature Sensor  
P0196 Engine Oil Temperature Sensor Range/Performance  
P0197 Engine Oil Temperature Sensor Low  
P0198 Engine Oil Temperature Sensor High  
P0199 Engine Oil Temperature Sensor Intermittent
P0200 Injector Circuit  
P0201 (M) Injector # 1 Control Circuit An open or shorted condition detected in control circuit for Injector # 1 or the INJ 1 injector bank.
P0202 (M) Injector # 2 Control Circuit An open or shorted condition detected in control circuit for Injector # 2 or the INJ 2 injector bank.
P0203 (M) Injector # 3 Control Circuit An open or shorted condition detected in control circuit for Injector # 3 or the INJ 3 injector bank.
P0204 (M) Injector # 4 Control Circuit Injector # 4 or INJ 4 injector bank output driver stage does not respond properly to the control signal.
P0205 (M) Injector # 5 Control Circuit Injector # 5 output driver stage does not respond properly to the control signal.
P0206 (M) Injector # 6 Control Circuit Injector # 6 output driver stage does not respond properly to the control signal.
P0207 (M) Injector # 7 Control Circuit Injector # 7 output driver stage does not respond properly to the control signal.
P0208 (M) Injector # 8 Control Circuit Injector # 8 output driver stage does not respond properly to the control signal.
P0209 (M) Injector # 9 Control Circuit Injector # 9 output driver stage does not respond properly to the control signal.
P0210 (M) Injector # 10 Control Circuit Injector # 10 output driver stage does not respond properly to the control signal.
P0211 Injector Circuit - Cylinder 11  
P0212 Injector Circuit - Cylinder 12  
P0213 Cold Start Injector 1  
P0214 Cold Start Injector 2  
P0215 Engine Shutoff Solenoid  
P0216 (M) Injector/Injection Timing Control Circuit  
P0217 Engine Coolant Over Temperature Condition  
P0218 Transmission Fluid Over Temperature Condition  
P0219 Engine Overspeed Condition  
P0220 Throttle/Pedal Position Sensor/Switch B Circuit  
P0221 Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance Problem  
P0222 (M) Throttle/Pedal Position Sensor/Switch B Circuit Low Input  
P0223 (M) Throttle/Pedal Position Sensor/Switch B Circuit High Input  
P0224 Throttle/Pedal Position Sensor/Switch B Circuit Intermittent  
P0225 Throttle/Pedal Position Sensor/Switch C Circuit  
P0226 Throttle/Pedal Position Sensor/Switch C Circuit Range/Performance Problem  
P0227 Throttle/Pedal Position Sensor/Switch C Circuit Low Input  
P0228 Throttle/Pedal Position Sensor/Switch C Circuit High Input  
P0229 Throttle/Pedal Position Sensor/Switch C Circuit Intermittent  
P0230 Fuel Pump Primary Circuit  
P0231 Fuel Pump Secondary Circuit Low  
P0232 Fuel Pump Secondary Circuit High  
P0233 Fuel Pump Secondary Circuit Intermittent  
P0234 Turbo/Super Charger Overboost Condition Manifold pressure reading above turbocharger over-boost limit detected during engine operation
P0235 Turbo/Super Charger Boost Sensor A Circuit  
P0236 (M) Turbo/Super Charger Boost Sensor A Circuit Range/Performance  
P0237 (M) Turbo/Super Charger Boost Sensor A Circuit Low  
P0238 (M) Turbo/Super Charger Boost Sensor A Circuit High  
P0239 Turbo/Super Charger Boost Sensor B Circuit  
P0240 Turbo/Super Charger Boost Sensor B Circuit Range/Performance  
P0241 Turbo/Super Charger Boost Sensor B Circuit Low  
P0242 Turbo/Super Charger Boost Sensor B Circuit High  
P0243 Turbo/Super Charger Wastegate Solenoid A Open or shorted condition detected in the turbocharger wastegate solenoid control circuit.
P0244 Turbo/Super Charger Wastegate Solenoid A Range/Performance  
P0245 Turbo/Super Charger Wastegate Solenoid A Low  
P0246 Turbo/Super Charger Wastegate Solenoid A High  
P0247 Turbo/Super Charger Wastegate Solenoid B  
P0248 Turbo/Super Charger Wastegate Solenoid B Range/Performance  
P0249 Turbo/Super Charger Wastegate Solenoid B Low  
P0250 Turbo/Super Charger Wastegate Solenoid B High  
P0251 (M) Injection Pump Fuel Metering Control A (Cam/Rotor/Injector)  
P0252 (M) Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector)  
P0253 (M) Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector)  
P0254 Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector)  
P0255 Injection Pump Fuel Metering Control A Intermittent (Cam/Rotor/Injector)  
P0256 Injection Pump Fuel Metering Control B (Cam/Rotor/Injector)  
P0257 Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector)  
P0258 Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector)  
P0259 Injection Pump Fuel Metering Control B High (Cam/Rotor/Injector)  
P0260 Injection Pump Fuel Metering Control B Intermittent (Cam/Rotor/Injector)  
P0261 Cylinder 1 Injector Circuit Low  
P0262 Cylinder 1 Injector Circuit High  
P0263 Cylinder 1 Contribution/Balance  
P0264 Cylinder 2 Injector Circuit Low  
P0265 Cylinder 2 Injector Circuit High  
P0266 Cylinder 2 Contribution/Balance  
P0267 Cylinder 3 Injector Circuit Low  
P0268 Cylinder 3 Injector Circuit High  
P0269 Cylinder 3 Contribution/Balance  
P0270 Cylinder 4 Injector Circuit Low  
P0271 Cylinder 4 Injector Circuit High  
P0272 Cylinder 4 Contribution/Balance  
P0273 Cylinder 5 Injector Circuit Low  
P0274 Cylinder 5 Injector Circuit High  
P0275 Cylinder 5 Contribution/Balance  
P0276 Cylinder 6 Injector Circuit Low  
P0277 Cylinder 6 Injector Circuit High  
P0278 Cylinder 6 Contribution/Balance  
P0279 Cylinder 7 Injector Circuit Low  
P0280 Cylinder 7 Injector Circuit High  
P0281 Cylinder 7 Contribution/Balance  
P0282 Cylinder 8 Injector Circuit Low  
P0283 Cylinder 8 Injector Circuit High  
P0284 Cylinder 8 Contribution/Balance  
P0285 Cylinder 9 Injector Circuit Low  
P0286 Cylinder 9 Injector Circuit High  
P0287 Cylinder 9 Contribution/Balance  
P0288 Cylinder 10 Injector Circuit Low  
P0289 Cylinder 10 Injector Circuit High  
P0290 Cylinder 10 Contribution/Balance  
P0291 Cylinder 11 Injector Circuit Low  
P0292 Cylinder 11 Injector Circuit High  
P0293 Cylinder 11 Contribution/Balance  
P0294 Cylinder 12 Injector Circuit Low  
P0295 Cylinder 12 Injector Circuit High  
P0296 Cylinder 12 Contribution/Balance  
P0298 Engine Oil Over Temperature
P0300 (M) Random/Multiple Cylinder Misfire Detected Misfire detected in multiple Cylinders.
P0301 (M) Cylinder # 1 Misfire Misfire detected in Cylinder # 1.
P0302 (M) Cylinder # 2 Misfire Misfire detected in Cylinder # 2.
P0303 (M) Cylinder # 3 Misfire Misfire detected in Cylinder # 3.
P0304 (M) Cylinder # 4 Misfire Misfire detected in Cylinder # 4.
P0305 (M) Cylinder # 5 Misfire Misfire detected in Cylinder # 5.
P0306 (M) Cylinder # 6 Misfire Misfire detected in Cylinder # 6.
P0307 (M) Cylinder # 7 Misfire Misfire detected in Cylinder # 7
P0308 (M) Cylinder # 8 Misfire Misfire detected in Cylinder # 8.
P0309 (M) Cylinder # 9 Misfire Misfire detected in Cylinder # 9.
P0310 (M) Cylinder # 10 Misfire Misfire detected in Cylinder # 10.
P0311 (M) Cylinder # 10 Misfire Misfire detected in Cylinder # 11.
P0311 (M) Cylinder # 12 Misfire Misfire detected in Cylinder # 12.
P0313 (M) Misfire Detected with Low Fuel  
P0314 (M) Single Cylinder Misfire (Cylinder not Specified)  
P0315 No Crank Sensor Learned Unable to learn the crank sensor signal in preparation for Misfire diagnostics.
P0320 No Crank Reference Signal at PCM No reference signal (crankshaft position sensor) detected during engine cranking.
P0320 (M) No RPM Signal to PCM (Crankshaft Position Sensor Signal to JTEC) A CKP signal has not been detected at the PCM.
P0321 Ignition/Distributor Engine Speed Input Circuit Range/Performance  
P0322 Ignition/Distributor Engine Speed Input Circuit No Signal  
P0323 Ignition/Distributor Engine Speed Input Circuit Intermittent  
P0324 Knock Control System Error  
P0325 Knock Sensor 1 Circuit (Bank 1 or Single Sensor) Knock sensor (# 1) signal above or below minimum acceptable threshold voltage at particular engine speeds.
P0326 Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor)  
P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor)  
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)  
P0329 Knock Sensor 1 Circuit Input Intermittent (Bank 1 or Single Sensor)  
P0330 Knock Sensor 2 Circuit (Bank 2) Circuit Knock sensor (# 2) signal above or below minimum acceptable threshold voltage at particular engine speeds.
P0335 Crankshaft Position Sensor Circuit A rationality error has been detected for loss of crankshaft position sensor.
P0336 (M) Crankshaft Position (CKP) Sensor Signal Problem with voltage signal from CKP.
P0339 Crankshaft Position Sensor Circuit Intermittent A rationality error has been detected for intermittent loss of crankshaft position sensor.
P0340 (M) Camshaft Position Sensor A Circuit (Bank 1 or Single Sensor) A rationality error has been detected for loss of camshaft position sensor (no fuel sync). WJ 1999 &' 2000: Check the camshaft target wheel (located on the right side camshaft sprocket) for damage or excessive runout. The runout is very critical for proper camshaft signal input to the JTEC. The lateral runout on the target wheel should not exceed 0.012 inch.
P0341 (M) Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or Single Sensor)  
P0342 (M) Camshaft Position Sensor A Circuit Low Input (Bank 1 or Single Sensor)  
P0343 (M) Camshaft Position Sensor A Circuit High Input (Bank 1 or Single Sensor)  
P0344 Camshaft Position Sensor A Circuit Intermittent (Bank 1 or Single Sensor) A rationality error has been detected for intermittent loss of camshaft position sensor.
P0345 Camshaft Position Sensor A Circuit (Bank 2)  
P0346 Camshaft Position Sensor A Circuit Range/Performance (Bank 2)  
P0347 Camshaft Position Sensor A Circuit Low Input (Bank 2)  
P0348 Camshaft Position Sensor A Circuit High Input (Bank 2)  
P0349 Camshaft Position Sensor A Circuit Intermittent (Bank 2)  
P0350 Ignition Coil Primary/Secondary Circuit A coil (1-5) is drawing too much current.
P0351 (M) Ignition Coil A Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time.
P0352 (M) Ignition Coil B Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time.
P0353 (M) Ignition Coil C Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time.
P0354 (M) Ignition Coil D Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time (High Impedance).
P0355 (M) Ignition Coil E Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time (High Impedance).
P0356 (M) Ignition Coil F Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time (high impedance).
P0357 (M) Ignition Coil G Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time (high impedance).
P0358 (M) Ignition Coil H Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time (high impedance).
P0359 Ignition Coil I Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time (high impedance).
P0360 Ignition Coil J Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time (high impedance).
P0361 Ignition Coil K Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time (high impedance).
P0362 Ignition Coil L Primary/Secondary Circuit Peak primary circuit current not achieved with maximum dwell time (high impedance).
P0365 Camshaft Position Sensor B Circuit (Bank 1)  
P0366 Camshaft Position Sensor B Circuit Range/Performance (Bank 1)  
P0367 Camshaft Position Sensor B Circuit Low Input (Bank 1)  
P0368 Camshaft Position Sensor B Circuit High Input (Bank 1)  
P0369 Camshaft Position Sensor B Circuit Intermittent (Bank 1)  
P0370 Timing Reference High Resolution Signal A)  
P0371 Timing Reference High Resolution Signal A Too Many Pulses  
P0372 Timing Reference High Resolution Signal A Too Few Pulses  
P0373 Timing Reference High Resolution Signal A Intermittent/Erratic Pulses  
P0374 Timing Reference High Resolution Signal A No Pulse  
P0375 Timing Reference High Resolution Signal B  
P0376 Timing Reference High Resolution Signal B Too Many Pulses  
P0377 Timing Reference High Resolution Signal B Too Few Pulses  
P0378 Timing Reference High Resolution Signal B Intermittent/Erratic Pulses  
P0379 Timing Reference High Resolution Signal B No Pulses  
P0380 (M) Glow Plug/Heater Circuit A  
P0381 (M) Glow Plug/Heater Indicator Circuit  
P0382 (M) Glow Plug/Heater Circuit B  
P0385 Crankshaft Position Sensor B Circuit  
P0386 Crankshaft Position Sensor B Circuit Range/Performance  
P0387 Crankshaft Position Sensor B Circuit Low Input  
P0388 Crankshaft Position Sensor B Circuit High Input  
P0389 Crankshaft Position Sensor B Circuit Intermittent  
P0390 Camshaft Position Sensor B Circuit (Bank 2)  
P0391 Camshaft Position Sensor B Circuit Range/Performance (Bank 2)  
P0392 Camshaft Position Sensor B Circuit Low Input (Bank 2)  
P0393 Camshaft Position Sensor B Circuit High Input (Bank 2)  
P0394 Camshaft Position Sensor B Circuit Intermittent (Bank 2)  
P0400 Diesel EGR System Failure Diesel EGR control module not active or a fault condition of the dedicated EGR sensors and/or EGR solenoid was detected by the EGR control
P0401 (M) EGR System Failure Required change in air/fuel ration not detected during diagnostic test.
P0402 (M) Exhaust Gas Recirculation Flow Excessive Detected  
P0403 (M) EGR Solenoid Circuit An open or shorted condition detected in the EGR solenoid control circuit.
P0404 (M) Exhaust Gas Recirculation Control Circuit Range/Performance EGR position sensor signal does not correlate to EGR duty cycle.
P0405 (M) Exhaust Gas Recirculation Sensor A Circuit Low EGR position sensor input below the acceptable voltage range.
P0406 (M) Exhaust Gas Recirculation Sensor A Circuit High EGR position sensor input above the acceptable voltage range.
P0407 Exhaust Gas Recirculation Sensor B Circuit Low  
P0408 Exhaust Gas Recirculation Sensor B Circuit High  
P0409 Exhaust Gas Recirculation Sensor A Circuit  
P0410 Secondary Air Injection System  
P0411 Secondary Air Injection System Incorrect Flow Detected  
P0412 Secondary Air Injection System Switching Valve A Circuit An open or shorted condition detected in the secondary air (air switching/aspirator) solenoid control circuit.
P0413 Secondary Air Injection System Switching Valve A Circuit Open  
P0414 Secondary Air Injection System Switching Valve A Circuit Shorted  
P0415 Secondary Air Injection System Switching Valve B Circuit  
P0416 Secondary Air Injection System Switching Valve B Circuit Open  
P0417 Secondary Air Injection System Switching Valve B Circuit Shorted  
P0418 Secondary Air Injection System Relay A Circuit  
P0419 Secondary Air Injection System Relay B Circuit  
P0420 (M) Catalyst System Efficiency Below Threshold (Bank 1) Catalyst 1/1 efficiency below required level.
P0421 Warm Up Catalyst Efficiency Below Threshold (Bank 1)  
P0422 Main Catalyst Efficiency Below Threshold (Bank 1)  
P0423 Heated Catalyst Efficiency Below Threshold (Bank 1)  
P0424 Heated Catalyst Efficiency Below Threshold (Bank 1)  
P0425 Catalyst Temperature Sensor (Bank 1)  
P0426 Catalyst Temperature Sensor Range/Performance (Bank 1)  
P0427 Catalyst Temperature Sensor Low Input (Bank 1)  
P0428 Catalyst Temperature Sensor High Input (Bank 1)  
P0429 Catalyst Heater Control Circuit (Bank 1)  
P0430 Catalyst System Efficiency Below Threshold (Bank 2)  
P0431 Warm Up Catalyst Efficiency Below Threshold (Bank 2)  
P0432 (M) Main Catalyst Efficiency Below Threshold (Bank 2) Catalyst 2/1 efficiency below required level.
P0433 Heated Catalyst Efficiency Below Threshold (Bank 2)  
P0434 Heated Catalyst Temperature Below Threshold (Bank 2)  
P0435 Catalyst Temperature Sensor (Bank 2)  
P0436 Catalyst Temperature Sensor Range/Performance (Bank 2)  
P0436 Catalyst Temperature Sensor Low Input (Bank 2)  
P0438 Catalyst Temperature Sensor High Input (Bank 2)  
P0439 Catalyst Heater Control Circuit (Bank 2)  
P0439 Evaporative Emission Control System  
P0441 (M) Evaporative Emission Control System Incorrect Purge Flow Insufficient or excessive vapor flow detected during evaporative emission system operation. If after performing all powertrain test for P0441 with results that appear to be normal/test pass, check for fuel in the purge canister. If there is fuel in the purge canister check ORVR (on-board refueling vapor recovery) system per service manual section 25. If ORVO is working as designed insure that the vehicle owner is not overfilling the fuel tank.
P0442 (M) Evaporative Emission Control System Leak Detected (medium leak) A 0.040 leak has been detected in the evaporative system. (A faulty gas cap may cause this code). Also see TSB 25-001-02A. Note: The respective Powertrain Diagnostic Procedures Manual will direct the technician to determine if the vehicle evaporative system has an external system leak. Examples of some external system leaks are: a loose gas cap, a disconnected evaporative system hose, or a loose hose connection. Remember that the evaporative system may also have an internal system leak. This internal leak may be caused by an intermittent or permanently stuck open Duty Cycle Purge (DCP) valve. This leak source is considered to be internal because any escaping emissions enter into the engine system and not directly into the atmosphere, unlike an external leak. An internal leak may cause one of the above DTC?s. Possible causes of a stuck open (intermittent or permanent) DCP valve are: 1. Corrosion due to system moisture or possible water intrusion into the system.
P0443 (M) Evaporative Emission Control System Purge Control Valve Circuit An open or shorted condition detected in the EVAP purge solenoid control circuit. Check the charcoal canister for fuel saturation If the vehicle has been overfueled, then there is a chance that liquid fuel can enter the canister and cause drive problems or emission related problems.
P0444 Evaporative Emission Control System Purge Control Valve Circuit Open
P0445 Evaporative Emission Control System Purge Control Valve Circuit Shorted
P0446 Evaporative Emission Control System Vent Control Circuit
P0447 Evaporative Emission Control System Vent Control Circuit Open
P0448 Evaporative Emission Control System Vent Control Circuit Shorted
P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit
P0450 Evaporative Emission Control System Pressure Sensor
P0451 Evaporative Emission Control System Pressure Sensor Range/Performance
P0452 Evaporative Emission Control System Pressure Sensor Low Input NVLD pressure switch stuck closed.
P0453 Evaporative Emission Control System Pressure Sensor High Input NVLD pressure switch stuck open.
P0454 Evaporative Emission Control System Pressure Sensor Intermittent  
P0455 (M) Evaporative Emission Control System Leak Detected (large leak) A large leak has been detected in the evaporative system. See TSB 25-001-02. Also, possible faulty or loose gas cap. Note: The respective Powertrain Diagnostic Procedures Manual will direct the technician to determine if the vehicle evaporative system has an external system leak. Examples of some external system leaks are: a loose gas cap, a disconnected evaporative system hose, or a loose hose connection. Remember that the evaporative system may also have an internal system leak. This internal leak may be caused by an intermittent or permanently stuck open Duty Cycle Purge (DCP) valve. This leak source is considered to be internal because any escaping emissions enter into the engine system and not directly into the atmosphere, unlike an external leak. An internal leak may cause one of the above DTC?s. Possible causes of a stuck open (intermittent or permanent) DCP valve are: 1. Corrosion due to system moisture or possible water intrusion into the system.
P0456 (M) Evaporative Emission Control System Leak Detected (very small leak) "A 0.020 leak has been detected in the evaporative system. See TSB's 25-001-02A, 18-002-03 and 25-004-01. Also, possible faulty or loose gas cap.
(Also see Notes in P0455 above). Does customer regularly commute on a steep grade (down hill grades in excess of 10%? Has the Leak Detection Pump Operation and Diagnosis booklet (Publication No. 81-170-000606) been used to assist in the diagnosis?
Review and if necessary, perform TSB 18-010-02. Be sure to completely read the TSB. The fix for the condition is a PCM replacement, not a reprogramming of the controller. Be sure that there is not any leaks in the system. This TSB applies in a very limited number of cases and usually in mountainous regions. TSB 18-010-02 Is a PCM replacement correct an erroneous MIL illumination for SAE P0456 that sets when driven on steep grades."
P0457 Evaporative Emission Control System Leak Detected (fuel cap loose/off) A 0.020 leak has been detected in the evaporative system.
P0460 Fuel Level Unit No Change Over Miles During low fuel.
P0460 Fuel Level Unit No Change Over Miles Fuel level sending unit voltage does not change for more than 40 miles.
P0461 Fuel Level Sensor Circuit Range/Performance No level of fuel level sender detected.
P0462 (M) Fuel Level Sending Unit Volts Too Low Fuel level sensor input below acceptable voltage.
P0462 (M) Fuel Level Sending Unit Volts Too Low Open circuit between PCM and fuel gauge sending unit.
P0463 Fuel Level Sending Unit Volts Too High Circuit shorted to voltage between PCM and fuel gauge sending unit.
P0463 (M) Fuel Level Sending Unit Volts Too High Fuel level sensor input above acceptable voltage.
P0464 Fuel Level Sensor Circuit Intermittent  
P0465 EVAP Purge Flow Sensor Circuit  
P0466 EVAP Purge Flow Sensor Circuit Range/Performance  
P0467 EVAP Purge Flow Sensor Circuit Low Input  
P0468 EVAP Purge Flow Sensor Circuit High Input  
P0469 EVAP Purge Flow Sensor Circuit Intermittent  
P0470 Exhaust Pressure Sensor  
P0471 Exhaust Pressure Sensor Range/Performance  
P0472 Exhaust Pressure Sensor Low  
P0473 Exhaust Pressure Sensor High  
P0474 Exhaust Pressure Sensor Intermittent  
P0475 Exhaust Pressure Control Valve  
P0476 Exhaust Pressure Control Valve Range/Performance  
P0477 Exhaust Pressure Control Valve Low  
P0478 Exhaust Pressure Control Valve High  
P0479 Exhaust Pressure Control Valve Intermittent  
P0480 Cooling Fan 1 Control Circuit An open or shorted condition detected in the low speed radiator fan relay control circuit.
P0481 Cooling Fan 2 Control Circuit An open or shorted condition detected in the high speed radiator fan relay control circuit.
P0482 Cooling Fan 3 Control Circuit  
P0483 Cooling Fan Rationality Check  
P0484 Cooling Fan Circuit Over Current  
P0485 Cooling Fan Power/Ground Circuit  
P0486 Exhaust Gas Recirculation Sensor B Circuit  
P0487 Exhaust Gas Recirculation Throttle Position Control Circuit  
P0488 Exhaust Gas Recirculation Throttle Position Control Range/Performance  
P0491 Secondary Air Injection System (Bank 1)  
P0492 Secondary Air Injection System (Bank 2)  
P0498 NVLD Canister Vent Valve Solenoid Circuit Low A shorted low condition detected in NVLD solenoid circuit.
P0499 NVLD Canister Vent Valve Solenoid Circuit High A shorted high condition detected in NVLD solenoid circuit.
P0500 (M) No Vehicle Speed Sensor Signal No vehicle speed sensor signal detected during road load conditions.
P0500 (M) No Vehicle Speed Sensor Signal A vehicle speed signal was not detected.
P0501 Vehicle Speed Sensor # 1 Performance A rationality error has been detected for no vehicle speed sensor signal detected during road load conditions.
P0502 Vehicle Speed Sensor Circuit Low Input  
P0503 Vehicle Speed Sensor Intermittent/Erratic/High  
P0505 (M) Idle Air Control Motor Circuits Replace idle air control motor.
P0506 Idle Control System RPM Lower Than Expected  
P0507 Idle Control System RPM Higher Than Expected  
P0508 (M) Idle Air Control Motor Circuit Low Idle Air Control Motor Circuit input below acceptable current.
P0509 (M) Idle Air Control Motor Circuit High Idle Air Control Motor Circuit input above acceptable current.
P0510 Closed Throttle Position Switch  
P0511 Idle Air Control Valve Solenoid Circuit An open or shorted condition detected in the IAC control circuit.
P0512 Starter Request Circuit  
P0513 Invalid SKIM Key The engine controller has received an invalid key from the Smart Key Immobilizer Module.
P0515 Battery Temperature Sensor Circuit  
P0516 Battery Temperature Sensor Low Battery temperature sensor input is below minimum acceptable voltage.
P0517 Battery Temperature Sensor High Battery temperature sensor input above maximum acceptable voltage.
P0519 Idle Speed Performance A rationality error has been detected for target RPM not met during drive idle condition. Possible Vacuum leak or IAC lost steps.
P0520 Engine Oil Pressure Sensor/Switch Circuit  
P0521 Engine Oil Pressure Sensor/Switch Range/Performance  
P0522 Oil Pressure Sensor Low Oil pressure sensor input below acceptable voltage.
P0523 Oil Pressure Sensor High Oil pressure sensor input above acceptable voltage.
P0524 Engine Oil Pressure Too Low  
P0530 A/C Refrigerant Pressure Sensor Circuit  
P0531 A/C Refrigerant Pressure Sensor Circuit Range/Performance  
P0532 A/C Refrigerant Pressure Sensor Circuit Low Input A/C pressure sensor input below the minimum acceptable voltage.
P0533 A/C Refrigerant Pressure Sensor Circuit High Input A/C pressure sensor input above the maximum acceptable voltage.
P0534 Air Conditioner Refrigerant Charge Loss  
P0540 Intake Air Heater Circuit  
P0541 Intake Air Heater Circuit Low  
P0542 Intake Air Heater Circuit High  
P0544 Exhaust Gas Temperature Sensor Circuit (Bank 1)  
P0545 Exhaust Gas Temperature Sensor Circuit Low (Bank 1)  
P0546 Exhaust Gas Temperature Sensor Circuit High (Bank 1)  
P0547 Exhaust Gas Temperature Sensor Circuit (Bank 2)  
P0548 Exhaust Gas Temperature Sensor Circuit Low (Bank 2)  
P0549 Exhaust Gas Temperature Sensor Circuit High (Bank 2)  
P0550 Power Steering Pressure Sensor Circuit  
P0551 (M) Power Steering Pressure Sensor Circuit Range/Performance Incorrect input state detected for the power steering switch circuit (for PL, high pressure seen at high speed)
P0552 Power Steering Pressure Sensor Circuit Low Input  
P0553 Power Steering Pressure Sensor Circuit High Input  
P0554 Power Steering Pressure Sensor Circuit Intermittent  
P0560 System Voltage  
P0561 System Voltage Unstable  
P0562 Battery Voltage Low Battery voltage sensor input below the minimum acceptable voltage.
P0563 Battery Voltage High Battery voltage sensor input above the maximum acceptable voltage.
P0564 Cruise Control Multi-Function Input Signal  
P0565 Cruise Control On Signal  
P0566 Cruise Control Off Signal  
P0567 Cruise Control Resume Signal  
P0568 Cruise Control Set Signal  
P0569 Cruise Control Coast Signal  
P0570 Cruise Control Accelerate Signal  
P0571 Cruise Control/Brake Switch A Circuit  
P0572 Cruise Control/Brake Switch A Circuit Low  
P0573 Cruise Control/Brake Switch A Circuit High  
P0574 Cruise Control System - Vehicle Speed Too High  
P0575 Cruise Control Input Circuit  
P0576 Cruise Control Input Circuit Low  
P0577 Cruise Control Input Circuit High  
P0578 Reserved for Cruise Control Codes  
P0579 Speed Control Switch # 1 Performance Cruise switch stuck in a valid voltage range.
P0580 Speed Control Switch # 1 Low Speed control switch input below minimum acceptable voltage.
P0581 Speed Control Switch # 1 High Speed control switch input above maximum acceptable voltage.
P0582 Speed Control Vacuum Solenoid Circuit An open or shorted condition detected in speed control Vacuum solenoid control circuit.
P0586 Speed Control Vent Solenoid Circuit An open or shorted condition detected in speed control vent solenoid control circuit.
P0594 Speed Control Servo Power Circuit An open or shorted condition open/short condition detected in the speed control servo power control circuit.
P0600 (M) PCM Failure SPI Communications No communication detected between co-processors in the control module.
P0601 (M) Internal Controller Failure Internal control module fault condition (check sum) detected.
P0602 (M) Control Module Programming Error  
P0603 Internal Control Module Keep Alive Memory (KAM) Error  
P0604 Internal Transmission Controller Transmission control module RAM self-test fault detected. -Asian transmission.
P0605 Internal Transmission Controller Transmission control module ROM self-test fault detected -Asian transmission.
P0606 (M) ECM/PCM Processor  
P0607 Control Module Performance  
P0608 Control Module VSS Output A  
P0609 Control Module VSS Output B  
P0610 Control Module Vehicle Options Error  
P0615 Starter Relay Circuit Open or shorted condition detected in the starter relay control circuit.
P0616 Starter Relay Circuit Low  
P0617 Starter Relay Circuit High  
P0618 Alternative Fuel Control Module KAM Error  
P0619 Alternative Fuel Control Module RAM/ROM Error  
P0620 Generator Control Circuit  
P0621 Generator Lamp L Terminal Control Circuit  
P0622 (G) Generator Field Not Switching Properly An open or shorted condition detected in the generator field control circuit.
P0623 Generator Lamp Control Circuit  
P0624 Fuel Cap Lamp Control Circuit  
P0627 Fuel Pump Relay Circuit An open or shorted condition detected in the fuel pump relay control circuit.
P0630 VIN Not Programmed In PCM VIN is not programmed in the control module EEPROM.
P0631 VIN Not Programmed or Mismatch - TCM  
P0632 Odometer Not Programmed In PCM Odometer is not programmed in the control module EEPROM.
P0633 SKIM Key Not Programmed In PCM SKIM secret key is not programmed in the control module EEPROM.
P0635 Power Steering Control Circuit  
P0636 Power Steering Control Circuit Low  
P0637 Power Steering Control Circuit High  
P0638 Throttle Actuator Control Range/Performance (Bank 1)  
P0639 Throttle Actuator Control Range/Performance (Bank 2)  
P0640 Intake Air Heater Control Circuit  
P0645 A/C Clutch Relay Circuit An open or shorted condition detected in the A/C clutch relay control circuit.
P0646 A/C Clutch Relay Control Circuit Low  
P0647 A/C Clutch Relay Control Circuit High  
P0648 Immobiliser Lamp Control Circuit (Immobiliser pending SAE J1930 approval)  
P0649 Speed Control Lamp Control Circuit  
P0650 Malfunction Indicator Lamp (MIL) Control Circuit  
P0654 Engine RPM Output Circuit  
P0655 Engine Hot Lamp Output Control Circuit  
P0656 Fuel Level Output Circuit  
P0660 Intake Manifold Tuning Valve Control Circuit (Bank 1) An open or shorted condition detected in the manifold tuning valve solenoid control circuit.
P0661 Intake Manifold Tuning Valve Control Circuit Low (Bank 1)  
P0662 Intake Manifold Tuning Valve Control Circuit High (Bank 1)  
P0663 Intake Manifold Tuning Valve Control Circuit (Bank 2)  
P0664 Intake Manifold Tuning Valve Control Circuit Low (Bank 2)  
P0665 Intake Manifold Tuning Valve Control Circuit High (Bank 2)  
P0685 ASD Relay Control Circuit An open or shorted condition detected in the ASD relay control circuit.
P0688 ASD Relay Sensor Circuit Low ASD voltage sensed when ASD relay is energized or ASD voltage not sensed when ASD relay is not energized.
P0700 (M) Check Transmission DTC's This code indicates that the EATX (Transmission controller) has an active fault and has illuminated the MIL via a BUS message. The specific fault must be acquired from the EATX via a DRBIII tool. (Input orOutput Speed Sensor failures often cause this code and are a common failure part on WJ Grand Cherokees).
P0701 Transmission Control System Range/Performance  
P0702 Transmission Control System Electrical  
P0703 (M) Brake Switch Stuck Pressed or Released Incorrect input state detected in the brake switch circuit. (Changed from P1595).
P0704 Clutch Switch Input Circuit Malfunction  
P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input)  
P0706 Transmission Range Sensor Circuit Range/Performance  
P0707 Transmission Range Sensor Circuit Low Input  
P0708 Transmission Range Sensor Circuit High Input  
P0709 Transmission Range Sensor Circuit Intermittent  
P0710 Transmission Fluid Temperature Sensor Circuit  
P0711 (M) Transmission Temperature Sensor No Temperature Rise After Start Relationship between the transmission temperature and overdrive operation and or TCC operation indicates a failure of the Transmission Temperature Sensor - OBDII Rationality.
P0712 (M) Transmission Temperature Sensor Voltage Too Low Transmission fluid temperature sensor input below acceptable voltage.
P0713 Transmission Temperature Sensor Voltage Too High Transmission fluid temperature sensor input above acceptable voltage. Was MIL code 37.
P0713 (M) Transmission Temperature Sensor Voltage Too High Voltage greater than 3.76 volts (4-speed auto. trans. only).
P0714 Transmission Fluid Temperature Sensor Circuit Intermittent  
P0715 Input/Turbine Speed Sensor Circuit  
P0716 Input/Turbine Speed Sensor Circuit Range/Performance  
P0717 Input/Turbine Speed Sensor Circuit No Signal  
P0718 Input/Turbine Speed Sensor Circuit Intermittent  
P0719 Torque Converter/Brake Switch B Circuit Low  
P0720 (M) Low Output SPD Sensor RPM Above 15 MPH The relationship between the Output Shaft Speed Sensor and vehicle speed is not within acceptable limits.
P0720 (M) Low Output SPD Sensor RPM Above 15 MPH Output shaft speed is less than 60 rpm with vehicle speed above 15 mph (4-speed auto. trans. only).
P0721 Output Speed Sensor Circuit Range/Performance  
P0722 Output Speed Sensor Circuit No Signal  
P0723 Output Speed Sensor Circuit Intermittent  
P0724 Torque Converter/Brake Switch B Circuit High  
P0725 Engine Speed Input Circuit  
P0726 Engine Speed Input Circuit Range/Performance  
P0727 Engine Speed Input Circuit No Signal  
P0728 Engine Speed Input Circuit Intermittent  
P0730 Incorrect Gear Ratio  
P0731 Gear 1 Incorrect Ratio  
P0732 Gear 2 Incorrect Ratio  
P0733 Gear 3 Incorrect Ratio  
P0734 Gear 4 Incorrect Ratio  
P0735 Gear 5 Incorrect Ratio  
P0736 Reverse Incorrect Ratio  
P0737 TCM Engine Speed Output Circuit  
P0738 TCM Engine Speed Output Circuit Low  
P0739 TCM Engine Speed Output Circuit High  
P0740 (M) Torque Con Clu No RPM Drop at Lockup Relationship between engine and vehicle speeds indicated failure of torque convertor clutch lock-up system (TCC/PTU sol).
P0743 (M) Torque Converter Clutch Solenoid/Transmission Relay Circuits An open or shorted condition detected in the torque converter clutch (part throttle unlock) solenoid control circuit. Shift solenoid C electrical fault - Aisin transmission.
P0743 (M) Torque Converter Clutch Solenoid/Transmission Relay Circuits An open or shorted condition detected in the torque converter part throttle unlock solenoid control circuit (3 or 4-speed auto. trans. only).
P0744 Torque Converter Clutch Circuit Intermittent  
P0745 Pressure Control Solenoid A  
P0746 Pressure Control Solenoid A Performance or Stuck Off  
P0747 Pressure Control Solenoid A Stuck On  
P0748 (M) Governor Pressure Solenoid Control/Transmission Relay Circuits An open or shorted condition detected in the Governor Pressure Solenoid circuit or Transmission Relay Circuit in JTEC RE transmissions.
P0748 (M) Governor Pressure Solenoid Control/Transmission Relay Circuits An open or shorted condition detected in the governor pressure solenoid or relay circuits (4-speed auto. trans. only).
P0749 Pressure Control Solenoid A Intermittent  
P0750 Shift Solenoid circuit. "Note: If code P1767 (Transmission Relay Always On) is also present: Replace transmission solenoid assembly. See note provided. When transmission is in limp mode the relay that provides power to the solenoid group is switched off. This is normal and is designed to provide operation in one gear only.
Engineering department suggests to replace transmission solenoid assembly anytime these two trouble codes occur together. See applicable service manual section (21) for solenoid assembly replacement directions. IMPORTANT: When performing this repair always check torque on all valvebody accumulator cover plate screws. Proper torque specification is 70 inch pounds. If any accumulator cover plate screws are damaged or missing replace the valvebody assembly. NOTE: If any other trouble codes are present do not replace solenoid assembly. See test in the applicable Transmission Diagnostic Procedures Manual."
P0751 (M) O/D Switch Pressed (Lo) More Than 5 Minutes Overdrive Off switch input too low for more than 5 minutes (4-speed auto. trans. only).
P0752 Shift Solenoid A Stuck On  
P0753 (M) Transmission 3-4 Shift Sol/Transmission Relay Circuits An open or shorted condition detected in the overdrive solenoid control circuit or Transmission Relay Circuit in JTEC RE transmissions.
P0753 (M) Transmission 3-4 Shift Sol/Transmission Relay Circuits An open or shorted condition detected in the transmission 2-4 shift solenoid circuit (4-speed auto. trans. only).
P0754 Shift Solenoid A Intermittents  
P0755 Shift Solenoid B  
P0756 AW4 Shift Sol B (2-3) Functional Failure Shift solenoid B (2-3) functional fault - Asian transmission.
P0757 Shift Solenoid B Stuck On  
P0758 Shift Solenoid B Electrical  
P0759 Shift Solenoid B Intermittent  
P0760 Shift Solenoid C  
P0761 Shift Solenoid C Performance or Stuck Off  
P0762 Shift Solenoid C Stuck On  
P0763 Shift Solenoid C Electrical  
P0764 Shift Solenoid C Intermittent  
P0765 Shift Solenoid D  
P0766 Shift Solenoid D Performance or Stuck Off  
P0767 Shift Solenoid D Stuck On  
P0768 Shift Solenoid D Electrical  
P0769 Shift Solenoid D Intermittent  
P0770 Shift Solenoid E  
P0771 Shift Solenoid E Performance or Stuck Off  
P0772 Shift Solenoid E Stuck On  
P0773 Shift Solenoid E Electrical  
P0774 Shift Solenoid E Intermittent  
P0775 Pressure Control Solenoid B  
P0776 Pressure Control Solenoid B Performance or Stuck off  
P0777 Pressure Control Solenoid B Stuck On  
P0778 Pressure Control Solenoid B Electrical  
P0779 Pressure Control Solenoid B Intermittent  
P0780 Shift  
P0781 1-2 Shift  
P0782 2-3 Shift  
P0783 3-4 Shift Sol No RPM Drop at Lockup
P0784 4-5 Shift  
P0785 Shift/Timing Solenoid  
P0786 Shift/Timing Solenoid Range/Performance  
P0787 Shift/Timing Solenoid Low  
P0788 Shift/Timing Solenoid High  
P0789 Shift/Timing Solenoid Intermittent  
P0790 Normal/Performance Switch Circuit  
P0791 Intermediate Shaft Speed Sensor Circuit  
P0792 Intermediate Shaft Speed Sensor Circuit Range/Performance  
P0793 Intermediate Shaft Speed Sensor Circuit No Signal  
P0794 Intermediate Shaft Speed Sensor Circuit Intermittent  
P0795 Pressure Control Solenoid C  
P0796 Pressure Control Solenoid C Performance or Stuck off  
P0797 Pressure Control Solenoid C Stuck On  
P0798 Pressure Control Solenoid C Electrical  
P0799 Pressure Control Solenoid C Intermittent
P0801 Reverse Gear Lockout Circuit Open or Short An open or shorted condition detected in the transmission reverse gear lock-out solenoid control circuit.
P0803 1-4 Upshift (Skip Shift) Solenoid Control Circuit  
P0804 1-4 Upshift (Skip Shift) Lamp Control Circuit  
P0805 Clutch Position Sensor Circuit  
P0806 Clutch Position Sensor Circuit Range/Performance  
P0807 Clutch Position Sensor Circuit Low  
P0808 Clutch Position Sensor Circuit High  
P0809 Clutch Position Sensor Circuit Intermittent  
P0810 Clutch Position Control Error  
P0811 Excessive Clutch Slippage  
P0812 Reverse Input Circuit  
P0813 Reverse Output Circuit  
P0814 Transmission Range Display Circuit  
P0815 Upshift Switch Circuit  
P0816 Downshift Switch Circuit  
P0817 Starter Disable Circuit  
P0818 Driveline Disconnect Switch Input Circuit  
P0820 Gear Lever X-Y Position Sensor Circuit  
P0821 Gear Lever X Position Circuit  
P0822 Gear Lever Y Position Circuit  
P0823 Gear Lever X Position Circuit Intermittent  
P0824 Gear Lever Y Position Circuit Intermittent  
P0825 Gear Lever Push-Pull Switch (Shift Anticipate)  
P0830 Clutch Pedal Switch A Circuit  
P0831 Clutch Pedal Switch A Circuit Low  
P0832 Clutch Pedal Switch A Circuit High  
P0833 Clutch Upstop Switch Performance Rationality error detected for clutch upstop switch performance.
P0834 Clutch Pedal Switch B Circuit Low  
P0835 Clutch Pedal Switch B Circuit High  
P0836 Four Wheel Drive (4WD) Switch Circuit Four wheel drive (4WD) muxed switch input detected below minimum or above maximum acceptable voltage (switch status provided to engine module from transfer case module during 4WD low gear engagements)
P0837 Four Wheel Drive (4WD) Switch Circuit Range/Performance Four wheel drive (4WD) muxed switch input detected in invalid or irrational switch state (switch status provided to engine module from transfer case module during 4WD low gear engagements)
P0838 Four Wheel Drive (4WD) Switch Circuit Low  
P0839 Four Wheel Drive (4WD) Switch Circuit High  
P0840 Transmission Fluid Pressure Sensor/Switch A Circuit  
P0841 Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance  
P0842 Transmission Fluid Pressure Sensor/Switch A Circuit Low  
P0843 Transmission Fluid Pressure Sensor/Switch A Circuit High  
P0844 Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent  
P0845 Transmission Fluid Pressure Sensor/Switch B Circuit  
P0846 Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance  
P0847 Transmission Fluid Pressure Sensor/Switch B Circuit Low  
P0848 Transmission Fluid Pressure Sensor/Switch B Circuit High  
P0849 Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent  
P0850 Park/Natural Switch Performance A rationality error has been detected for park/neutral switch performance.
P1105 Baro Read Solenoid Circuit Open or shorted condition detected in the baro read solenoid control circuit.
P1110 Decrease Engine Performance Due To High Intake Air Temperature  
P1115 General Temperature Rationality General temperature sensor rationality error.
P1180 Decrease Engine Performance Due To High Injection Pump Fuel Temp  
P1192 (M) Inlet Air Temperature Circuit Low Inlet Air Temperature sensor input below acceptable voltage
P1193 (M) Inlet Air Temperature Circuit High Inlet Air Temperature sensor input above acceptable voltage.
P1194 PWM O2 Heater Performance Incorrect or irrational performance has been detected for the PWM O2 heater circuit.
P1195 (M) 1/1 02 Sensor Slow During Catalyst Monitor A slow switching oxygen sensor has been detected in bank 1/1 during catalyst monitor test. (Also see SCI DTC $66) (was P0133)
P1196 (M) 2/1 02 Sensor Slow During Catalyst Monitor A slow switching oxygen sensor has been detected in bank 2/1 during catalyst monitor test. (was P0153)
P1197 1/2 02 Sensor Slow During Catalyst Monitor A slow switching oxygen sensor has been detected in bank 1/2 during catalyst monitor test. (was P0139)
P1198 Radiator Temperature Sensor Volts Too High Radiator coolant temperature sensor input above the maximum acceptable voltage.
P1199 Radiator Temperature Sensor Volts Too Low Radiator coolant temperature sensor input below the minimum acceptable voltage.
P1243 Surge Valve Solenoid Circuit Open or shorted condition detected in the turbocharger surge valve solenoid control circuit
P1280 Fuel System Relay Circuit  
P1281 Engine is Cold Too Long Engine coolant temperature remains below normal operating temperatures during vehicle travel (Thermostat).
P1282 Fuel Pump Relay Control Circuit An open or shorted condition detected in the fuel pump relay control circuit.
P1283 Idle Select Signalk Invalid  
P1284 (M) Fuel Injection Pump Battery Voltage Out-Of-Range  
P1285 Fuel Injection Pump Controller Always On  
P1286 Accelerator Position Sensor Supply Voltage Too High  
P1287 (M) Fuel Injection Pump Controller Supply Voltage Low  
P1288 Intake Manifold Short Runner Solenoid Circuit An open or shorted condition detected in the short runner tuning valve circuit.
P1289 Manifold Tune Valve Solenoid Circuit An open or shorted condition detected in the manifold tuning valve solenoid control circuit.
P1290 CNG Fuel System Pressure Too High Compressed natural gas system pressure above normal operating range.
P1291 (M) No Temp Rise Seen From Intake Heaters Energizing Heated Air Intake does not change intake air temperature sensor an acceptable amount.
P1291 (M) No Temp Rise Seen From Intake Heaters Problem detected in intake manifold air heating system.
P1292 CNG Pressure Sensor Voltage Too High Compressed natural gas pressure sensor reading above acceptable voltage.
P1293 CNG Pressure Sensor Voltage Too Low Compressed natural gas pressure sensor reading below acceptable voltage.
P1294 (M) Target Idle Not Reached Target RPM not achieved during drive idle condition. Possible vacuum leak or IAC (AIS) lost steps.
P1295 (M) No 5 Volts to TP Sensor Loss of a 5 volt feed to the Throttle Position Sensor has been detected.
P1295 (M) Accelerator Position Sensor (APPS) Supply Voltage Too Low APPS supply voltage input below the minimum acceptable voltage.
P1296 No 5 Volts to MAP Sensor Loss of a 5 volt feed to the MAP Sensor has been detected.
P1297 (M) No Change in MAP From Start To Run No difference is recognized between the MAP reading at engine idle and the stored barometric pressure reading.
P1298 Lean Operation at Wide Open Throttle A prolonged lean condition is detected during Wide Open Throttle.
P1299 (M) Vacuum Leak Found (IAC Fully Seated) MAP Sensor signal does not correlate to Throttle Position Sensor signal. Possible vacuum leak.
P1388 Auto Shutdown Relay Control Circuit An open or shorted condition detected in the ASD or CNG shutoff relay control ckt.
P1388 Auto Shutdown Relay Control Circuit An open or shorted condition detected in the auto shutdown relay circuit.
P1389 (M) No ASD Relay Output Voltage At PCM No Z1 or Z2 voltage sensed when the auto shutdown relay is energized.
P1389 (M) No ASD Relay Output Voltage At PCM An open condition detected In the ASD relay output circuit.
P1390 (M) Timing Belt Skipped 1 Tooth or More Relationship between Cam and Crank signals not correct.
P1391 (M) Intermittent Loss of CMP or CKP Loss of the Cam Position Sensor or Crank Position sensor has occurred. For PL 2.0L
P1398 (M) Mis-Fire Adaptive Numerator at Limit PCM is unable to learn the Crank Sensor's signal in preparation for Misfire Diagnostics. Probable defective Crank Sensor.
P1399 Wait To Start Lamp Circuit An open or shorted condition detected in the Wait to Start Lamp circuit.
P1403 No 5 Volts to EGR Sensor Loss of 5v feed to the EGR position sensor.
P1475 Aux 5 Volt Supply Voltage High  
P1476 Too Little Secondary Air Insufficient flow of secondary air injection detected during aspirator test.(was P0411)
P1477 Too Much Secondary Air Excessive flow of secondary air injection detected during aspirator test (was P0411).
P1478 (M) Battery Temp Sensor Volts Out of Limit Internal temperature sensor input voltage out of an acceptable range.
P1479 Transmission Fan Relay Circuit An open or shorted condition detected in the transmission fan relay circuit.
P1480 PCV Solenoid Circuit An open or shorted condition detected in the PCV solenoid circuit.
P1481 EATX RPM Pulse Performance ETAX RPM pulse generator signal for Misfire detection does not correlate with expected value.
P1482 Catalyst Temperature Sensor Circuit Shorted Low Catalyst temperature sensor circuit shorted low.
P1483 Catalyst Temperature Sensor Circuit Shorted High Catalyst temperature sensor circuit shorted high.
P1484 Catalytic Converter Overheat Detected A catalyst overheat condition has been detected by the catalyst temperature sensor.
P1485 Air Injection Solenoid Circuit An open or shorted condition detected in the air assist solenoid circuit.
P1486 (M) Evap Leak Monitor Pinched Hose Found LDP has detected a pinched hose in the evaporative hose system.
P1487 High-Speed Radiator Fan CTRL Relay Circuit An open or shorted condition detected in the control circuit of the # 2 high-speed radiator fan control relay.
P1488 Auxiliary 5 Volt Supply Output Too Low Auxiliary 5 volt sensor feed is sensed to be below an acceptable limit.
P1488 Auxiliary 5 Volt Supply Output Too Low Sensor supply voltage for ECM sensors is too low.
P1489 (M) High Speed Fan CTRL Relay Circuit An open or shorted condition detected in the control circuit of the high-speed radiator fan control relay.
P1490 (M) Low Speed Fan CTRL Relay Circuit An open or shorted condition detected in control circuit of the low-speed radiator fan control relay.
P1491 Radiator Fan Control Relay Circuit An open or shorted condition detected in the radiator fan control relay control circuit. This includes PWM solid state relays.
P1492 Ambient/Battery Temperature Sensor Volts Too High External temperature sensor input above acceptable voltage.
P1492 (M or G) Ambient/Battery Temperature Sensor Volts Too High Battery temperature sensor input voltage above an acceptable range.
P1493 (M or G) Ambient/Battery Temperature Sensor Volts Too Low External temperature sensor input below acceptable voltage.
P1493 (M or G) Ambient/Battery Temperature Sensor Volts Too Low Battery temperature sensor input voltage below an acceptable range.
P1494 (M) Leak Detection Pump Sw or Mechanical Fault Incorrect input state detected for the Leak Detection Pump (LDP) pressure switch.
P1495 (M) Leak Detection Pump Solenoid Circuit An open or shorted condition detected in the Leak Detection Pump (LDP) solenoid circuit.
P1496 (M) 5 Volt Supply Output Too Low
P1498 High Speed Radiator Fan Ground CTRL Relay Circuit An open or shorted condition detected in the control circuit of the # 3 high speed radiator fan control relay.
P1499 Hydraulic Cooling Fan Solenoid Circuit See TSB 07-005-02
P1594 (G) Charging System Voltage Too High Battery voltage sense input above target charging voltage during engine operation.
P1595 Speed Control Solenoid Circuits An open or shorted condition detected in either of the speed control vacuum or vent solenoid control circuits.
P1596 Speed Control Switch Always High Speed control switch input above maximum acceptable voltage. Check the bottom row of pins in the C200 connector for contamination If the bulkhead (C200 connector in some applications as DN model) is contaminated by moisture, the speed control may not set. This may occur after driving the vehicle in rain or by washing the vehicle. Also if the rear heater water pump is leaking, as on a DN model with rear heat, the C200 could be contaminated with anti-freeze. Once connector is cleaned from antifreeze contamination, review water pump for potential leak and repair as necessary. If there is water intrusion into the connector, dry the connector and repair area that is allowing water into the connector. This area is the source of many speed control complaints. Various fault codes can be set due to contamination of this connector.
P1597 Speed Control Switch Always Low Speed control switch input below minimum acceptable voltage. See P1596 above.
P1598 A/C Pressure Sensor Volts Too High A/C pressure sensor input above maximum acceptable voltage.
P1598 A/C Pressure Sensor Volts Too High Problem detected in air conditioning electrical circuit.
P1599 A/C Pressure Sensor Volts Too Low A/C pressure sensor input below minimum acceptable voltage.
P1599 A/C Sensor Input Lo Problem detected in air conditioning electrical circuit.
P1602 (M) PCM not Programmed PCM not programmed (generic controller fault).
P1603 PCM Internal Dual Port Ram Communication Dual port RAM communication link error.
P1604 PCM Internal Dual Port Ram Read/Write Integrity Failure Dual port RAM read/write error. Review and if necessary, perform TSB 18-005-03
P1607 PCM internal Shutdown Timer Rationality A rationality error has been detected for the shutdown timer.
P1680 Clutch Released Switch Circuit  
P1681 No I/P Cluster CCD/J1850 Messages Received No CCD/J1850 messages received from the cluster control module.
P1682 (G) Charging System Voltage Too Low Battery voltage sense input below target charging voltage during engine operation and no significant change in voltage detected during active test of generator output circuit.
P1682 (G) Charging System Voltage Too Low Charging System Voltage Too Low Charging system output voltage low.
P1683 SPD CTRL PWR Relay; or S/C 12v Driver Circuit An open or shorted condition detected in the speed control servo power control circuit (SBECII: external relay).
P1684 Battery Loss In The Last 50 Starts The battery has been disconnected within the last 50 starts. starts (status indicator only - NOT a reported fault code)
P1685 Skim Invalid Key The engine controller has received an invalid key from the SKIM.
P1686 No SKIM BUS Messages Received No CCD/J1850 messages received from the Smart Key Immobilizer Module (SKIM).
P1687 No MIC BUS Message No CCD/J1850 messages received from the Mechanical Instrument Cluster (MIC) Module.
P1688 (M) Internal Fuel Injection Pump Controller Failure  
P1689 (M) No Communication Between ECM and Injection Pump Module  
P1690 (M) Fuel Injection Pump CKP Sensor Does Not Agree with ECM CKP Sensor  
P1691 Fuel Injection Pump Controller Calibration Error  
P1692 DTC Set in ECM  
P1693 (M) DTC Detected in Companion Module A fault has been generated in the companion engine control module.
P1693 (M) DTC Detected in PCM/ECM or DTC Detected in ECM A “Companion DTC” was set in both the ECM and PCM.
P1694 Fault In Companion Module No CCD/J1850 messages received from the powertrain control module-Asian transmission.
P1694 (M) No BUS CCD Messages Received from ECM Bus communication failure to PCM.
P1695 No CCD/J1850 Message From Body Control Module No CCD/J1850 messages received from the body control module.
P1696 (M) PCM Failure EEPROM Write Denied Unsuccessful attempt to write to an EEPROM location by the control module.
P1697 (M) PCM Failure SRI Mile Not Stored Unsuccessful attempt to update Service Reminder Indicator (SRI or EMR) mileage in the control module EEPROM.
P1698 (M) No CCD/J1850 Message From TCM No CCD/J1850 messages received from the electronic transmission control module (EATX) or the Asian transmission controller.
P1698 (M) No CCD/J1850 Message From PCM Bus communication failure to PCM. A “Companion DTC” was set in both the ECM and PCM. May be caused by after market remote starter. Remove after market remote starter. This code can be set as the remote starter is activated and the pcm receives ignition run voltage and the tcm does not.
P1699 No Climate Bus Messages No CCD/J1850 messages received from the Climate Control Module (CCM)
P1719 Skip Shift Solenoid Circuit An open or shorted condition detected in the transmission 2-3 gear lock-out solenoid control circuit.
P1740 (M) TCC or O/D Solenoid Performance Rationality error detected in either the torque convertor clutch or solenoid or overdrive solenoid system.
P1740 (M) TCC or O/D Solenoid Performance Problem detected in transmission convertor clutch and/or overdrive circuits (diesel engine with 4-speed auto. trans. only).
P1756 (M) GOV Press Not Equal to Target @ 15-20 PSI The requested pressure and the actual pressure are not within a tolerance band for the Governor Control System which is used to regulate governor pressure to control shifts for 1st 2nd and 3rd gear (Mid Pressure Malfunction).
P1756 (M) GOV Press Not Equal to Target @ 15-20 PSI Governor sensor input not between 10 and 25 psi when requested (4-speed auto. trans. only).
P1757 GOV Press Not Equal to Target @ 15-20 PSI The requested pressure and the actual pressure are not within a tolerance band for the Governor Control System which is used to regulate governor pressure to control shifts for 1st 2nd and 3rd gear (Zero Pressure Malfunction).
P1757 (M) Governor Pressure Above 3 PSI In Gear With 0 MPH Governor pressure greater than 3 psi when requested to be 0 psi (4-speed auto. trans. only).
P1762 (M) Governor Pressure Sensor Offset Volts Too Low or High Sensor input greater or less than calibration for 3 consecutive Neutral/Park occurrences (4-speed auto. trans. only).
P1763 Governor Pressure Sensor Volts Too High The Governor Pressure Sensor input is above an acceptable voltage level.
P1763 (M) Governor Pressure Sensor Volts Too High Voltage greater than 4.89 volts (4-speed auto. trans. only).
P1764 (M) Governor Pressure Sensor Volts Too Low The Governor Pressure Sensor input is below an acceptable voltage level.
P1764 (M) Governor Pressure Sensor Volts Too Low Voltage less than.10 volts (4-speed auto. trans. only).
P1765 (M) Transmission 12 Volt Supply Relay CTRL Circuit An open or shorted condition is detected in the Transmission Relay control circuit. This relay supplies power to the TCC.
P1765 (M) Trans 12 Volt Supply Relay CTRL Circuit Current state of solenoid output port is different than expected (4-speed auto. trans. only).
P1767 (M) Transmission Relay Always On. See P0750
P1830 Clutch Override Relay Circuit  
P1899 (M) P/N Switch Stuck in Park or in Gear Incorrect input state detected for the Park/Neutral switch.
P1899 (M) P/N Switch Stuck in Park or in Gear Incorrect input state detected for the Park/Neutral switch (3 or 4-speed auto. trans. only).
P2008 Short Runner Valve Solenoid Circuit An open or shorted condition detected in the short runner tuning valve control circuit.
P2302 Ignition Coil Secondary # 1 Circuit  
P2305 Ignition Coil Secondary # 2 Circuit  
P2308 Ignition Coil Secondary # 3 Circuit  
P2311 Ignition Coil Secondary # 4 Circuit  
P2314 Ignition Coil Secondary # 5 Circuit  
P2317 Ignition Coil Secondary # 6 Circuit  
P2320 Ignition Coil Secondary # 7 Circuit  
P2323 Ignition Coil Secondary # 8 Circuit  
P2503 Charging System Voltage Low Charging system voltage below minimum acceptable voltage.
P0100 Mass or Volume Air Flow Circuit  



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