All generic codes
9,533 generic OBD-II codes. Manufacturer-specific codes (P1xxx, B1xxx, C1xxx, U1xxx) are defined by each maker and are not listed.
| Family | System | Codes |
|---|---|---|
| P0xxx | Powertrain, generic Engine, fuel, ignition, emissions and transmission codes defined by SAE J2012 for every OBD-II vehicle. | 3,705 |
| P2xxx | Powertrain, generic (extended) Additional generic powertrain codes, added as engines got more sensors and actuators. | 3,495 |
| P3xxx | Powertrain, shared range Range shared between SAE and manufacturers; listed codes are the generic ones. | 155 |
| B0xxx | Body, generic Airbags, seats, lighting and other body systems. | 323 |
| C0xxx | Chassis, generic ABS, stability control, steering and suspension. | 626 |
| U0xxx | Network, generic Communication between control modules on the vehicle network. | 1,055 |
| U3xxx | Network, generic (extended) Additional generic network and module codes. | 174 |