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.
P2243
P2243 Code: O2 Reference Voltage B1S1 — Causes & Fix
P20BB
P20BB Code: Reductant Heater A Control Circuit Low Fix Guide
P0228
P0228 Code: Throttle/Pedal Position Sensor C High Fix Guide
P0177
P0177 Code: Fuel Composition Sensor — Causes & Fix
P0059
P0059 Code: O2 Heater Resistance B2S1 — Causes & Fix
P2314
P2314 Code: Ignition Coil M Secondary Circuit — Fix
P0331
P0331 Code: Knock Sensor 2 Range/Performance — Fix
P2159
P2159 Code: Vehicle Speed Sensor B Range/Performance Fix
P063C
P063C Code: Internal Module Fuel Injector Enable — Fix
P2261
P2261 Code: Turbo/Supercharger Bypass Valve Fix Guide
P2540
P2540 Code: Low Pressure Fuel System Sensor Circuit Fix
P0581
P0581 Code: Cruise Control Input A Circuit High Fix Guide
P050F
P050F Code: Cold Start Exhaust Temp Not Reached — Fix
P2607
P2607 Code: Intake Air Heater B Circuit Low Fix Guide
P287B
P287B Code: Shift Fork B Stuck (Transmission) Fix Guide
P2240
P2240 Code: O2 Sensor Positive Current Control B2S1 Fix