Subaru fault codes
93 Subaru 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.
- P1502Subaru · PowertrainRadiator Fan Function Problem
- P1507Subaru · PowertrainIdle Control System Malfunction Fail Safe
- P1510Subaru · PowertrainIdle Air Control Solenoid Signal 1 Circuit Low Input
- P1511Subaru · PowertrainIdle Air Control Solenoid Signal 1 Circuit High Input
- P1512Subaru · PowertrainIdle Air Control Solenoid Signal 2 Circuit Low Input
- P1513Subaru · PowertrainIdle Air Control Solenoid Signal 2 Circuit High Input
- P1514Subaru · PowertrainIdle Air Control Solenoid Signal 3 Circuit Low Input
- P1515Subaru · PowertrainIdle Air Control Solenoid Signal 3 Circuit High Input
- P1516Subaru · PowertrainIdle Air Control Solenoid Signal 4 Circuit Low Input
- P1517Subaru · PowertrainIdle Air Control Solenoid Signal 4 Circuit High Input
- P1518Subaru · PowertrainStarter Switch Circuit Low Input
- P1520Subaru · PowertrainRadiator Fan Relay 1 Circuit High Input
- P1540Subaru · PowertrainVehicle Speed Sensor Malfunction
- P1544Subaru · PowertrainHigh Exhaust Temperature Detected
- P1560Subaru · PowertrainBack-Up Voltage Circuit Malfunction
- P1590Subaru · PowertrainNeutral Position Switch Circuit High Input
- P1591Subaru · PowertrainNeutral Position Switch Circuit Low Input
- P1592Subaru · PowertrainNeutral Position Switch Circuit MT Model
- P1594Subaru · PowertrainAutomatic Transmission Diagnosis Input Signal Circuit Malfunction
- P1595Subaru · PowertrainAutomatic Transmission Diagnosis Input Signal Circuit Low Input
- P1596Subaru · PowertrainAutomatic Transmission Diagnosis Input Signal Circuit High Input
- P1698Subaru · PowertrainEngine Torque Control Cut Signal Circuit Low Input
- P1699Subaru · PowertrainEngine Torque Control Cut Signal Circuit High Input
- P1700Subaru · PowertrainThrottle Position Sensor Circuit Malfunction AT
- P1701Subaru · PowertrainCruise Control Set Signal Circuit Malfunction AT
- P1702Subaru · PowertrainAuto Trans Diagnosis Input Signal Circuit
- P1703Subaru · PowertrainLow Clutch Timing Control Solenoid Valve Circuit Malfunction
- P1704Subaru · Powertrain2-4 Brake Timing Solenoid Valve Circuit Malfunction
- P1705Subaru · Powertrain2-4 Brake Pressure Solenoid Valve Solenoid D Circuit
- P1711Subaru · PowertrainEngine Torque Control Signal 1 Circuit Malfunction