Powertrain fault codes
14821 Powertrain OBD-II fault codes: what each one means, 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.
- P1873Cadillac · PowertrainTCC Stator Temp. Switch Circuit Low
- P1873Chevrolet · PowertrainTCC Stator Temp. Switch Circuit Low
- P1873GM · PowertrainTCC Stator Temp Switch Circuit Low
- P1873GMC · PowertrainTCC Stator Temp Switch Circuit Low
- P1873Oldsmobile · PowertrainTCC Stator Temp Switch Circuit Low
- P1873Other · PowertrainTransmission Mechanical 4-Wheel Drive Axle Lock Lamp Circuit Short To Battery
- P1873Saturn · PowertrainTCC Stator Temp Switch Circuit Low
- P1874Buick · PowertrainTCC Stator Temp. Switch Circuit High
- P1874Cadillac · PowertrainTCC Stator Temp. Switch Circuit High
- P1874Chevrolet · PowertrainTCC Stator Temp. Switch Circuit High
- P1874GM · PowertrainTCC Stator Temp Switch Circuit High
- P1874GMC · PowertrainTCC Stator Temp Switch Circuit High
- P1874Oldsmobile · PowertrainTCC Stator Temp Switch Circuit High
- P1874Other · PowertrainTransmission Automatic Hall Effect Sensor Power Circuit Failure
- P1874Saturn · PowertrainTCC Stator Temp Switch Circuit High
- P1875Buick · Powertrain4WD Low Switch Circuit
- P1875Cadillac · Powertrain4WD Low Switch Circuit
- P1875Chevrolet · Powertrain4WD Low Switch Circuit
- P1875GM · Powertrain4WD Low Switch Circuit
- P1875GMC · Powertrain4WD Low Switch Circuit
- P1875Oldsmobile · Powertrain4WD Low Switch Circuit
- P1875Other · PowertrainTransmission Automatic Hall Effect Sensor Power Circuit Short To Battery / 4WD Low Switch Circuit Electrical
- P1875Saturn · Powertrain4WD Low Switch Circuit
- P1875Suzuki · Powertrain4WD Low Switch Circuit Malfunction
- P1876Ford · PowertrainTransmission Transfer Case 2-Wheel Drive Solenoid Circuit Failure
- P1876Lincoln · PowertrainTransmission Transfer Case 2-Wheel Drive Solenoid Circuit Failure
- P1876Mercury · PowertrainTransmission Transfer Case 2-Wheel Drive Solenoid Circuit Failure
- P1876Other · PowertrainTransmission Transfer Case 2-Wheel Drive Solenoid Circuit Failure
- P1877Ford · PowertrainTransmission Transfer Case 2-Wheel Drive Solenoid Circuit Short To Battery
- P1877Lincoln · PowertrainTransmission Transfer Case 2-Wheel Drive Solenoid Circuit Short To Battery