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.
- P1711Volkswagen · PowertrainWheel Speed Signal 1 Range Performance
- P1712Ford · PowertrainTrans Torque Reduction Request Signal Malfunction
- P1712Lincoln · PowertrainTrans Torque Reduction Request Signal Malfunction
- P1712Mercury · PowertrainTrans Torque Reduction Request Signal Malfunction
- P1712Other · PowertrainTrans Torque Reduction Request Signal Malfunction
- P1712Subaru · PowertrainEngine Torque Control Signal 2 Circuit Malfunction
- P1713Ford · PowertrainTFT Sensor In Range Failure Low Value
- P1713Lincoln · PowertrainTFT Sensor In Range Failure Low Value
- P1713Mazda · PowertrainTransmission Fluid Temperature Sensor Circuit
- P1713Mercury · PowertrainTFT Sensor In Range Failure Low Value
- P1713Other · PowertrainTFT Sensor In Range Failure Low Value
- P1714Ford · PowertrainSSA Inductive Signature Malfunction
- P1714Lincoln · PowertrainSSA Inductive Signature Malfunction
- P1714Mazda · PowertrainShift Solenoid 1 Mechanical Fault
- P1714Mercury · PowertrainSSA Inductive Signature Malfunction
- P1714Other · PowertrainSSA Inductive Signature Malfunction
- P1715Ford · PowertrainSSB Inductive Signature Malfunction
- P1715Lincoln · PowertrainSSB Inductive Signature Malfunction
- P1715Mazda · PowertrainShift Solenoid 2 Mechanical Fault
- P1715Mercury · PowertrainSSB Inductive Signature Malfunction
- P1715Mitsubishi · PowertrainPulse Generator Assembly
- P1715Other · PowertrainSSB Inductive Signature Malfunction
- P1715Suzuki · PowertrainPNP Switch Circuit Fault
- P1716Ford · PowertrainSSC Inductive Signature Malfunction
- P1716Lincoln · PowertrainSSC Inductive Signature Malfunction
- P1716Mazda · PowertrainShift Solenoid 3 Mechanical Fault
- P1716Mercury · PowertrainSSC Inductive Signature Malfunction
- P1716Other · PowertrainSSC Inductive Signature Malfunction
- P1716Volkswagen · PowertrainWheel Speed Signal 2 Range Performance
- P1717Ford · PowertrainSSD Inductive Signature Malfunction