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.
- P1288Chevrolet · PowertrainAccelerator Pedal Position Sensor 3 Circuit High Voltage
- P1288Chrysler · PowertrainAccelerator Pedal Position Sensor 3 Circuit High Voltage
- P1288Dodge · PowertrainIntake Manifold Short Runner Solenoid Circuit Open Or Shorted
- P1288Ford · PowertrainCylinder Head Temperature Sensor Out of Self-Test Range
- P1288GM · PowertrainAccelerator Pedal Position Sensor 3 Circuit High Voltage
- P1288GMC · PowertrainAccelerator Pedal Position Sensor 3 Circuit High Voltage
- P1288Jeep · PowertrainIntake Manifold Short Runner Solenoid Circuit Open Or Shorted
- P1288Lincoln · PowertrainCylinder Head Temperature Sensor Out of Self-Test Range
- P1288Mercury · PowertrainCylinder Head Temperature Sensor Out of Self-Test Range
- P1288Oldsmobile · PowertrainAccelerator Pedal Position Sensor 3 Circuit High Voltage
- P1288Other · PowertrainCylinder Head Temp Sensor Out Of Self Test Range
- P1288Plymouth · PowertrainIntake Manifold Short Runner Solenoid Circuit Open Or Shorted
- P1288Pontiac · PowertrainIntake Manifold Short Runner Solenoid Circuit Open Or Shorted
- P1288Saturn · PowertrainAccelerator Pedal Position Sensor 3 Circuit High Voltage
- P1288Volkswagen · PowertrainTurbocharge Bypass Valve Short To B+
- P1289BMW · PowertrainSwitching Solenoid for Air Assisted Injection Valves Bank 2 Control Circuit Signal High
- P1289Dodge · PowertrainManifold Tune Valve Solenoid Circuit Open Or Shorted
- P1289Ford · PowertrainCylinder Head Temperature Sensor Signal Greater Than Self-Test Range
- P1289Jeep · PowertrainManifold Tune Valve Solenoid Circuit Open Or Shorted
- P1289Lincoln · PowertrainCylinder Head Temperature Sensor Signal Greater Than Self-Test Range
- P1289Mercury · PowertrainCylinder Head Temperature Sensor Signal Greater Than Self-Test Range
- P1289Other · PowertrainCylinder Head Temp Sensor High Input
- P1289Plymouth · PowertrainManifold Tune Valve Solenoid Circuit Open Or Shorted
- P1289Pontiac · PowertrainManifold Tune Valve Solenoid Circuit Open Or Shorted
- P1289Volkswagen · PowertrainTurbocharge Bypass Valve Short To Ground
- P1290Dodge · PowertrainCNG Fuel Pressure Too High
- P1290Ford · PowertrainCylinder Head Temperature Sensor Signal Less Than Self-Test Range
- P1290Jeep · PowertrainCNG Fuel Pressure Too High
- P1290Lincoln · PowertrainCylinder Head Temperature Sensor Signal Less Than Self-Test Range
- P1290Mercury · PowertrainCylinder Head Temperature Sensor Signal Less Than Self-Test Range