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9,253 diagnostic guides

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Find codes by symptomChoose what you notice to search matching code guides.

Rough idle or shakingVibration while stopped Hard to startLong cranking or no-start Engine stallsCuts out at idle or on the road Hesitates or loses powerSlow response when accelerating Battery light is onCharging system warning Harsh gear changesDelayed or rough shifting

A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.

Check soon P · Powertrain Clear all

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

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All severities9253 Low priority305 Check soon8256 Urgent621

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All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 4801–4824 of 6682

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P271APark Pawl Position Sensor A Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP271A relates to park pawl position sensor a circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P271BPark Pawl Position Sensor A Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP271B relates to park pawl position sensor a circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P271CPark Pawl Position Sensor B Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP271C relates to park pawl position sensor b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P271DPark Pawl Position Sensor B Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP271D relates to park pawl position sensor b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P271ETransmission PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP271E relates to transmission performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P271FElectronic Gear Shift - Position Not LearnedCheck soonTransmission Issues30–120 minutes for initial diagnosisP271F relates to electronic gear shift - position not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P2720Pressure Control Solenoid D Control Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP2720 relates to pressure control solenoid d control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2721Pressure Control Solenoid D Control Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP2721 relates to pressure control solenoid d control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2722Pressure Control Solenoid ECheck soonTransmission Issues30–120 minutes for initial diagnosisP2722 relates to pressure control solenoid e. Check the fault conditions and vehicle-specific procedure before replacing parts.P2723Pressure Control Solenoid E Performance/Stuck OffCheck soonTransmission Issues30–120 minutes for initial diagnosisP2723 relates to pressure control solenoid e performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2724Pressure Control Solenoid E Stuck OnCheck soonTransmission Issues30–120 minutes for initial diagnosisP2724 relates to pressure control solenoid e stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.P2725Pressure Control Solenoid E ElectricalCheck soonTransmission Issues30–120 minutes for initial diagnosisP2725 relates to pressure control solenoid e electrical. Check the fault conditions and vehicle-specific procedure before replacing parts.P2726Pressure Control Solenoid E IntermittentCheck soonTransmission Issues30–120 minutes for initial diagnosisP2726 relates to pressure control solenoid e intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P2727Pressure Control Solenoid E Control Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP2727 relates to pressure control solenoid e control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2728Pressure Control Solenoid E Control Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP2728 relates to pressure control solenoid e control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2729Pressure Control Solenoid E Control Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP2729 relates to pressure control solenoid e control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P272ATransmission Range Select Motor Control CircuitCheck soonTransmission Issues30–120 minutes for initial diagnosisP272A relates to transmission range select motor control circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P272BTransmission Range Select Motor Control Circuit Current Too HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP272B relates to transmission range select motor control circuit current too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P272CPark Pawl Motor Control CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP272C relates to park pawl motor control circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P272DPark Pawl Motor Control Circuit Current Too HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP272D relates to park pawl motor control circuit current too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2730Pressure Control Solenoid E Control Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP2730 relates to pressure control solenoid e control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2731Pressure Control Solenoid FCheck soonTransmission Issues30–120 minutes for initial diagnosisP2731 relates to pressure control solenoid f. Check the fault conditions and vehicle-specific procedure before replacing parts.P2732Pressure Control Solenoid F Performance/Stuck OffCheck soonTransmission Issues30–120 minutes for initial diagnosisP2732 relates to pressure control solenoid f performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2733Pressure Control Solenoid F Stuck OnCheck soonTransmission Issues30–120 minutes for initial diagnosisP2733 relates to pressure control solenoid f stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.