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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.

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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 337–360 of 621

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P0554Power Steering Pressure Sensor Circuit IntermittentUrgentSensors & Electronics30–120 minutes for initial diagnosisP0554 indicates a fault related to power steering pressure sensor circuit intermittent. Learn the likely causes and a practical diagnostic order before replacing parts.P0563System Voltage HighUrgentElectrical & Charging System1–3 hours for initial diagnosisP0563 means System Voltage High. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0571Brake Switch A Circuit MalfunctionUrgentSensors & Electronics30–120 minutes for initial diagnosisP0571 indicates a fault related to brake switch a circuit malfunction. Learn the likely causes and a practical diagnostic order before replacing parts.P0572Brake Switch A Circuit LowUrgentSensors & Electronics30–120 minutes for initial diagnosisP0572 indicates a fault related to brake switch a circuit low. Learn the likely causes and a practical diagnostic order before replacing parts.P0573Brake Switch A Circuit HighUrgentSensors & Electronics30–120 minutes for initial diagnosisP0573 indicates a fault related to brake switch a circuit high. Learn the likely causes and a practical diagnostic order before replacing parts.P05C0Active Grille Air Shutter Module A Over TemperatureUrgentSensors & Electronics30–120 minutes for initial diagnosisP05C0 relates to active grille air shutter module a over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P05C1Active Grille Air Shutter Module B Over TemperatureUrgentSensors & Electronics30–120 minutes for initial diagnosisP05C1 relates to active grille air shutter module b over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P0703Brake Switch B CircuitUrgentSensors & Electronics30–120 minutes for initial diagnosisP0703 relates to brake switch b circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0706Transmission Range Sensor A Circuit Range/PerformanceUrgentTransmission Issues30–90 minutes for initial diagnosisP0706 means the transmission range switch reports a gear position that does not match the expected pattern. Learn what to check before replacing parts.P0707Transmission Range Sensor A Circuit LowUrgentTransmission Issues30–90 minutes for initial diagnosisP0707 means the transmission range sensor circuit reports a low signal. Learn what to check before replacing parts.P0708Transmission Range Sensor A Circuit HighUrgentTransmission Issues30–90 minutes for initial diagnosisP0708 means the transmission range sensor circuit reports a high signal or conflicting range inputs. Learn what to check before replacing parts.P0712Transmission Fluid Temperature Sensor A Circuit LowUrgentTransmission Issues30–90 minutes for initial diagnosisP0712 indicates the transmission fluid temperature sensor circuit reports a low electrical signal. Learn what to inspect before replacing parts.P0713Transmission Fluid Temperature Sensor A Circuit HighUrgentTransmission Issues30–90 minutes for initial diagnosisP0713 indicates the transmission fluid temperature sensor circuit reports a high electrical signal. Learn what to inspect before replacing parts.P0719Brake Switch B Circuit LowUrgentSensors & Electronics30–120 minutes for initial diagnosisP0719 relates to brake switch b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0721Output Speed Sensor Circuit Range/PerformanceUrgentTransmission Issues30–90 minutes for initial diagnosisP0721 means the output shaft speed signal does not agree with expected transmission or vehicle operation. Learn what to check before replacing parts.P0723Output Speed Sensor Circuit IntermittentUrgentTransmission Issues30–90 minutes for initial diagnosisP0723 means the transmission output speed signal drops out or changes unexpectedly. Learn what to check before replacing parts.P094DHydraulic Pump Over TemperatureUrgentSensors & Electronics30–120 minutes for initial diagnosisP094D relates to hydraulic pump over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P0A0AHigh Voltage System Interlock Circuit AUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0A0A concerns high voltage system interlock circuit a. Learn what this fault indicates and where to begin diagnosis.P0A0BHigh Voltage System Interlock Circuit A PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0A0B concerns high voltage system interlock circuit a performance. Learn what this fault indicates and where to begin diagnosis.P0A0CHigh Voltage System Interlock Circuit A LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0A0C concerns high voltage system interlock circuit a low. Learn what this fault indicates and where to begin diagnosis.P0A0DHigh Voltage System Interlock Circuit A HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0A0D concerns high voltage system interlock circuit a high. Learn what this fault indicates and where to begin diagnosis.P0A0EHigh Voltage System Interlock Circuit A IntermittentUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0A0E concerns high voltage system interlock circuit a intermittent. Learn what this fault indicates and where to begin diagnosis.P0A7DHybrid/EV Battery Pack State of Charge LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0A7D concerns hybrid/ev battery pack state of charge low. Learn what this fault indicates and where to begin diagnosis.P0A7EHybrid/EV Battery Pack A Over TemperatureUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0A7E concerns hybrid/ev battery pack a over temperature. Learn what this fault indicates and where to begin diagnosis.