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.
- P1105Jeep · PowertrainOpen Or Shorted Condition Detected In The Baro Read Solenoid Control Circuit
- P1192Jeep · PowertrainInlet Air Temp. Circuit Low
- P1193Jeep · PowertrainInlet Air Temp. Circuit High
- P1194Jeep · PowertrainIncorrect Or Irrational Performance Has Been Detected For The PWM
- P1195Jeep · PowertrainO2 Sensor 1/1 (Bank 1 Sensor 1) Slow During Catalyst Monitor
- P1196Jeep · PowertrainO2 Sensor 2/1 (Bank 2 Sensor 1) Slow During Catalyst Monitor
- P1197Jeep · PowertrainO2 Sensor 1/2 (Bank 1 Sensor 2) Slow During Catalyst Monitor
- P1198Jeep · PowertrainRadiator Temperature Sensor Voltage Too High
- P1199Jeep · PowertrainRadiator Temperature Sensor Voltage Too Low
- P1243Jeep · PowertrainOpen Or Shorted Condition Detected In The Turbocharger Surge Valve Solenoid Control
- P1280Jeep · PowertrainOpen Or Shorted Condition Detected In The Fuel System Relay Control Circuit
- P1281Jeep · PowertrainEngine Operating Temp Below Acceptable Range
- P1282Jeep · PowertrainFuel Pump Relay Control Circuit Open Or Shorted
- P1283Jeep · PowertrainIdle Select Signal Invalid
- P1284Jeep · PowertrainFuel Injection Pump Battery Voltage Out Of Range
- P1285Jeep · PowertrainFuel Injection Pump Controller Always On
- P1286Jeep · PowertrainAccelerator Pedal Position Sensor Supply Voltage Too High
- P1287Jeep · PowertrainFuel Injection Pump Controller Supply Voltage Low
- P1288Jeep · PowertrainIntake Manifold Short Runner Solenoid Circuit Open Or Shorted
- P1289Jeep · PowertrainManifold Tune Valve Solenoid Circuit Open Or Shorted
- P1290Jeep · PowertrainCNG Fuel Pressure Too High
- P1291Jeep · PowertrainNo Temp Rise Seen From Fuel Heaters
- P1292Jeep · PowertrainCNG Pressure Sensor Voltage Too High
- P1293Jeep · PowertrainCNG Pressure Sensor Voltage Too Low
- P1294Jeep · PowertrainTarget Idle Not Reached
- P1295Jeep · PowertrainLoss Of 5 Volts To TP Sensor
- P1296Jeep · PowertrainLoss Of 5 Volts To MAP Sensor
- P1297Jeep · PowertrainNo Change In MAP From Start To Run
- P1298Jeep · PowertrainLean Operation At Wide Open Throttle
- P1299Jeep · PowertrainVacuum Leak Found (IAC Fully Seated)