DTC codes
Look up an OBD-II fault code: what it means on every car or on your make, and how to track it down.
How to read a code
- P
- SystemPowertrain
- 0
- Defined bySAE, the same on every car
- 4
- AreaAuxiliary emission controls
- 20
- FaultThe specific fault in that area
Read the code
Note every stored and pending code your scanner shows, such as P0420.
Find it
Search by code or by words. For a manufacturer code (P1, B1, C1, U1) pick your make: its meaning differs by make.
Open the code
Its page explains the symptoms, likely causes, the checks to run and the fixes.
- P1117GM · PowertrainEngine Coolant Temp Signal Out Of Range Low
- P1117GMC · PowertrainEngine Coolant Temp Signal Out Of Range Low
- P1117Kia · PowertrainHO2S12 Heater Circuit Low Voltage
- P1117Lincoln · PowertrainEngine Coolant Temperature Sensor Intermittent
- P1117Mazda · PowertrainECT Sensor Signal Intermittent
- P1117Mercury · PowertrainEngine Coolant Temperature Sensor Intermittent
- P1117Oldsmobile · PowertrainEngine Coolant Temp Signal Out-Of-Range Low
- P1117Other · PowertrainEngine Coolant Sensor intermittent/ECT Sensor Intermittent
- P1117Saturn · PowertrainEngine Coolant Temp Signal Out-Of-Range Low
- P1117Volkswagen · PowertrainOxygen Sensor Heater Circuit Short To Ground Bank 1 Sensor 2
- P1118BMW · PowertrainMass Or Volume Air Flow Circuit High Input Bank 2
- P1118Buick · PowertrainEngine Coolant Temp Signal Out-Of Range High
- P1118Cadillac · PowertrainEngine Coolant Temp Signal Out-Of Range High
- P1118Chevrolet · PowertrainEngine Coolant Temp Signal Out-Of Range High
- P1118Chrysler · PowertrainEngine Coolant Temp Signal Out-Of Range High
- P1118Ford · PowertrainManifold Absolute Temperature Circuit Low Input
- P1118GM · PowertrainEngine Coolant Temp Signal Out Of Range High
- P1118GMC · PowertrainEngine Coolant Temp Signal Out Of Range High
- P1118Lincoln · PowertrainManifold Absolute Temperature Circuit Low Input
- P1118Mercury · PowertrainManifold Absolute Temperature Circuit Low Input
- P1118Oldsmobile · PowertrainEngine Coolant Temp Signal Out Of Range High
- P1118Other · PowertrainManifold Absolute Temperature Circuit Low Input
- P1118Saturn · PowertrainEngine Coolant Temp Signal Out Of Range High
- P1118Volkswagen · PowertrainOxygen Sensor Heater Circuit Open Bank 1 Sensor 2
- P1119Buick · PowertrainECT Signal Out Of Rage With TFT Sensor
- P1119Cadillac · PowertrainECT Signal Out Of Rage With TFT Sensor
- P1119Chevrolet · PowertrainECT Signal Out Of Rage With TFT Sensor
- P1119Chrysler · PowertrainECT Signal Out Of Rage With TFT Sensor
- P1119Ford · PowertrainManifold Absolute Temperature Circuit High Input
- P1119GM · PowertrainECT Signal Out Of Range With TFT Sensor