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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.

Electrical & Charging System 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 697–720 of 1797

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P0C3FDC/DC Converter Temperature Sensor B LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C3F concerns dc/dc converter temperature sensor b low. Learn what this fault indicates and where to begin diagnosis.P0C40DC/DC Converter Temperature Sensor B HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C40 concerns dc/dc converter temperature sensor b high. Learn what this fault indicates and where to begin diagnosis.P0C41DC/DC Converter Temperature Sensor B Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C41 concerns dc/dc converter temperature sensor b intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0C42Hybrid/EV Battery Pack Coolant Temperature Sensor A CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C42 concerns hybrid/ev battery pack coolant temperature sensor a circuit. Learn what this fault indicates and where to begin diagnosis.P0C43Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C43 concerns hybrid/ev battery pack coolant temperature sensor a circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0C44Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C44 concerns hybrid/ev battery pack coolant temperature sensor a circuit low. Learn what this fault indicates and where to begin diagnosis.P0C45Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C45 concerns hybrid/ev battery pack coolant temperature sensor a circuit high. Learn what this fault indicates and where to begin diagnosis.P0C46Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C46 concerns hybrid/ev battery pack coolant temperature sensor a circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0C47Hybrid/EV Battery Pack Coolant Pump A Control Circuit/OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C47 concerns hybrid/ev battery pack coolant pump a control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0C48Hybrid/EV Battery Pack Coolant Pump A Control Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C48 concerns hybrid/ev battery pack coolant pump a control circuit low. Learn what this fault indicates and where to begin diagnosis.P0C49Hybrid/EV Battery Pack Coolant Pump A Control Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C49 concerns hybrid/ev battery pack coolant pump a control circuit high. Learn what this fault indicates and where to begin diagnosis.P0C4AHybrid/EV Battery Pack Coolant Pump A Control PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C4A concerns hybrid/ev battery pack coolant pump a control performance. Learn what this fault indicates and where to begin diagnosis.P0C4BHybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit/OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C4B concerns hybrid/ev battery pack coolant pump a supply voltage circuit/open. Learn what this fault indicates and where to begin diagnosis.P0C4CHybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C4C concerns hybrid/ev battery pack coolant pump a supply voltage circuit low. Learn what this fault indicates and where to begin diagnosis.P0C4DHybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C4D concerns hybrid/ev battery pack coolant pump a supply voltage circuit high. Learn what this fault indicates and where to begin diagnosis.P0C4EDrive Motor A Position Exceeded Learning LimitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C4E concerns drive motor a position exceeded learning limit. Learn what this fault indicates and where to begin diagnosis.P0C4FDrive Motor B Position Exceeded Learning LimitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C4F concerns drive motor b position exceeded learning limit. Learn what this fault indicates and where to begin diagnosis.P0C50Drive Motor A Position Sensor Circuit ACheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C50 concerns drive motor a position sensor circuit a. Learn what this fault indicates and where to begin diagnosis.P0C51Drive Motor A Position Sensor Circuit A Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C51 concerns drive motor a position sensor circuit a range/performance. Learn what this fault indicates and where to begin diagnosis.P0C52Drive Motor A Position Sensor Circuit A LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C52 concerns drive motor a position sensor circuit a low. Learn what this fault indicates and where to begin diagnosis.P0C53Drive Motor A Position Sensor Circuit A HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C53 concerns drive motor a position sensor circuit a high. Learn what this fault indicates and where to begin diagnosis.P0C54Drive Motor A Position Sensor Circuit A Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C54 concerns drive motor a position sensor circuit a intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0C55Drive Motor B Position Sensor Circuit ACheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C55 concerns drive motor b position sensor circuit a. Learn what this fault indicates and where to begin diagnosis.P0C56Drive Motor B Position Sensor Circuit A Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C56 concerns drive motor b position sensor circuit a range/performance. Learn what this fault indicates and where to begin diagnosis.