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.
- P1512Toyota · PowertrainBoost Pressure High
- P1512Volkswagen · PowertrainIntake Manifold Changeover Valve Circuit Short To B+
- P1513BMW · PowertrainDISA Control Circuit Signal High
- P1513Ford · PowertrainIntake Manifold Runner Control Stuck Closed
- P1513Kia · PowertrainIdle Air Control Valve Closing Coil Low Voltage
- P1513Lincoln · PowertrainIntake Manifold Runner Control Stuck Closed
- P1513Mercury · PowertrainIntake Manifold Runner Control Stuck Closed
- P1513Other · PowertrainIntake Manifold Runner Control (Bank 2) Stuck Closed
- P1513Subaru · PowertrainIdle Air Control Solenoid Signal 2 Circuit High Input
- P1513Volkswagen · PowertrainIntake Manifold Changeover Valve 2 Circuit Short To B+
- P1514Buick · PowertrainThrottle Body Performance
- P1514Cadillac · PowertrainThrottle Body Performance
- P1514Chevrolet · PowertrainThrottle Body Performance
- P1514Chrysler · PowertrainThrottle Body Performance
- P1514GM · PowertrainThrottle Body Performance
- P1514GMC · PowertrainThrottle Body Performance
- P1514Jaguar · PowertrainHigh Load Neutral Drive Fault
- P1514Mazda · PowertrainHigh Load Neutral Drive Fault
- P1514Oldsmobile · PowertrainThrottle Body Performance
- P1514Other · PowertrainHigh Load Neutral/Drive Fault
- P1514Saturn · PowertrainThrottle Body Performance
- P1514Subaru · PowertrainIdle Air Control Solenoid Signal 3 Circuit Low Input
- P1514Volkswagen · PowertrainIntake Manifold Changeover Valve 2 Circuit Short To Ground
- P1515Buick · PowertrainControl Module Throttle Actuator Position Performance
- P1515Cadillac · PowertrainControl Module Throttle Actuator Position Performance
- P1515Chevrolet · PowertrainControl Module Throttle Actuator Position Performance
- P1515Chrysler · PowertrainControl Module Throttle Actuator Position Performance
- P1515GM · PowertrainControl Module Throttle Actuator Position Performance
- P1515GMC · PowertrainControl Module Throttle Actuator Position Performance
- P1515Kia · PowertrainA/T To M/T Codification