OBD Fault Codes

P0000-P0299 (Air/Fuel Mixture Control)

P0300-P0399 (Ignition System Control)

P0400-P0499 (Auxiliary Emissions Control)

P0500-P0599 (Engine Idling Control)

P0600-P0699 (Onboard Computer & Ancillary Outputs)

P0700-P0999 (Transmission / Gearbox Control)

Other Codes (All Other OBD Fault Codes)

OBD fault codes, also known as DTC or diagnostic/data trouble code, have been created in order to quickly display faults. Each code has specific meanings. You can learn more about understanding OBD fault codes / DTCs.