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.
- P1752Mazda · PowertrainTransmission Shift Solenoid A Circuit Shorted
- P1752Volkswagen · PowertrainPower Supply Malfunction
- P1753Acura · PowertrainTCM A/T Lockup Solenoid Valve A Fault
- P1753Honda · PowertrainTCM A/T Lockup Solenoid Valve "A" Fault
- P1753Infiniti · PowertrainTCM A/T Lockup Solenoid Valve "A" Fault
- P1754Ford · PowertrainCoast Clutch Solenoid Circuit Malfunction
- P1754Lincoln · PowertrainCoast Clutch Solenoid Circuit Malfunction
- P1754Mazda · PowertrainTransmission Coast Clutch Solenoid Electrical Fault
- P1754Mercury · PowertrainCoast Clutch Solenoid Circuit Malfunction
- P1754Other · PowertrainCoast Clutch Solenoid Circuit Malfunction
- P1755Other · PowertrainIntermediate Speed Sensor (ISS) Malfunction
- P1756Chrysler · PowertrainGovernor Pressure Not Equal To Target At 15-20 PSI
- P1756Dodge · PowertrainGovernor Pressure Not Equal To Target At 15-20 PSI
- P1756Ford · PowertrainShift Solenoid B Performance
- P1756Jeep · PowertrainGovernor Pressure Not Equal To Target At 15 20 PSI
- P1756Lincoln · PowertrainShift Solenoid B Performance
- P1756Mazda · PowertrainTransmission Shift Solenoid B Mechanical Fault
- P1756Mercury · PowertrainShift Solenoid B Performance
- P1756Other · PowertrainShift Solenoid B Performance
- P1756Plymouth · PowertrainGovernor Pressure Not Equal To Target At 15-20 PSI
- P1756Pontiac · PowertrainGovernor Pressure Not Equal To Target At 15-20 PSI
- P1757Chrysler · PowertrainGovernor Pressure Above 3 PSI When Request Is 0 PSI
- P1757Dodge · PowertrainGovernor Pressure Above 3 PSI When Request Is 0 PSI
- P1757Jeep · PowertrainGovernor Pressure Above 3 PSI When Request Is 0 PSI
- P1757Mazda · PowertrainTransmission Shift Solenoid B Circuit Shorted
- P1757Plymouth · PowertrainGovernor Pressure Above 3 PSI When Request Is 0 PSI
- P1757Pontiac · PowertrainGovernor Pressure Above 3 PSI When Request Is 0 PSI
- P1758Acura · PowertrainTCM A/T Lockup Solenoid Valve B Fault
- P1758Honda · PowertrainTCM A/T Lockup Solenoid Valve "B" Fault
- P1758Infiniti · PowertrainTCM A/T Lockup Solenoid Valve "B" Fault