Knowledge Hub · Fault Codes
The DTC fault-code library.
769+ OBD-II diagnostic trouble codes — meaning, causes, symptoms and the fix. Search a code or browse by family.
P0689
P0689 Code: ECM/PCM Power Relay Sense Circuit Low — Fix
P2451
P2451 Code Fix
P0393
P0393 Trouble Code
P2684
P2684 Code Fix
P0042
P0042 Code
P0142
P0142 Code: Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 3
P0678
P0678 Code
P2174
P2174 Code: Throttle Actuator System — Sudden Low Airflow Fix
P066D
P066D Code
P2A04
P2A04 Code
P0595
P0595 Code Fix
P0864
P0864 Code: TCM Communication Circuit Range/Performance Fix
P06C9
P06C9 Code Fix
P024A
P024A Code
P0466
P0466 Code Fix
P2190
P2190 Code: System Too Rich at Idle Bank 2 — Causes &amp Fix
P0870
P0870 Code: Transmission Fluid Pressure Sensor C Circuit Fix Guide
P0775
P0775 Code
P2415
P2415 Code
P0281
P0281 Code
P0976
P0976 Code
P2320
P2320 Code
P0762
P0762 Code
P2430
P2430 Code