OBD 2 DTC Codes by Vehicle Manufacturer
Identify Vehicle Problems
This OBD2 list contains standard diagnostic trouble codes (DTC's). They are used by some vehicle manufacturers to identify vehicle problems. OBD2 systems give the vehicle owner or repair technician access to the status of the various vehicle sub-systems.
On-board diagnostics (OBD2) is an automotive term referring to a vehicle's self-diagnostic and reporting capability. Vehicle manufacturers may use manufacturer specific DTC codes that are different, and it's vehicle specific DTC codes. Vehicles not produced in USA may also use DTC codes different from the generic DTC codes.
In case that your check engine lamp is turned on an automotive technician will use PIDs with a scan tool connected to the vehicle's OBD-II connector. You can also do it by yourself by buying the OBD-2 reader and connecting it on your PC. There are Bluetooth OBD-2 readers and they could be connected on your phone via application for Android or iOS.
There are different OBD2 Protocols, such as SAE J1850 VPW Used mainly by General Motor, SAE J1850 PWM Used mainly by Ford, ISO 9141-2 Used mainly by Japanese and some European models, ISO 14230 KWP2000 Used on some Asian vehicles, EOBD European version of OBDII so can use same tools, used from 2001, ADR 79/01 ANZOBD Australian/New Zealand version of OBDII used on models from 2006, CAN Used by many models from 2008.
Currently our user manual database contains DTC code definitions for the following manufacturers:
Soon to come:
- Alfa Romeo
- Land Rover
- and many more
Note that your should always consult your vehicle's service or owners manual for code definitions.
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