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.
- P1367Saturn · PowertrainIC Cylinder 7 Not Toggling After Enable
- P1367Volkswagen · PowertrainCylinder 5 Ignition Circuit Open
- P1368Buick · PowertrainIC Cylinder 8 Not Toggling After Enable
- P1368Cadillac · PowertrainIC Cylinder 8 Not Toggling After Enable
- P1368Chevrolet · PowertrainIC Cylinder 8 Not Toggling After Enable
- P1368Chrysler · PowertrainIC Cylinder 8 Not Toggling After Enable
- P1368GM · PowertrainIC Cylinder 8 Not Toggling After Enable
- P1368GMC · PowertrainIC Cylinder 8 Not Toggling After Enable
- P1368Jaguar · PowertrainIgnition System Failure Group 2
- P1368Oldsmobile · PowertrainIC Cylinder 8 Not Toggling After Enable
- P1368Other · PowertrainIgnition Spare
- P1368Saturn · PowertrainIC Cylinder 8 Not Toggling After Enable
- P1368Volkswagen · PowertrainCylinder 5 Ignition Circuit Short To B+
- P1369Ford · PowertrainEngine Temperature Light Monitor Failure
- P1369Lincoln · PowertrainEngine Temperature Light Monitor Failure
- P1369Mercury · PowertrainEngine Temperature Light Monitor Failure
- P1369Other · PowertrainEngine Temperature Light Monitor Failure
- P1369Volkswagen · PowertrainCylinder 5 Ignition Circuit Short To Ground
- P1370Buick · PowertrainIC Module 4X Reference Circuit, Too Many Pulses
- P1370Cadillac · PowertrainIC Module 4X Reference Circuit Too Many Pulses
- P1370Chevrolet · PowertrainIC Module 4X Reference Circuit Too Many Pulses
- P1370Chrysler · PowertrainIC Module 4X Reference Circuit Too Many Pulses
- P1370GM · PowertrainIC Module 4X Reference Circuit Too Many Pulses
- P1370GMC · PowertrainIC Module 4X Reference Circuit Too Many Pulses
- P1370Jaguar · PowertrainInsufficient RPM Increase During Spark Test
- P1370Oldsmobile · PowertrainIC Module 4X Reference Circuit Too Many Pulses
- P1370Other · PowertrainInsufficient RMP Increase During Spark Test
- P1370Saturn · PowertrainIC Module 4X Reference Circuit Too Many Pulses
- P1370Volkswagen · PowertrainCylinder 6 Ignition Circuit Open
- P1371Buick · PowertrainDI Low Resolution Circuit