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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 673–696 of 1797

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P0C27Electric/Auxiliary Transmission Fluid Pump A Motor Current LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C27 concerns electric/auxiliary transmission fluid pump a motor current low. Learn what this fault indicates and where to begin diagnosis.P0C28Electric/Auxiliary Transmission Fluid Pump A Motor Current HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C28 concerns electric/auxiliary transmission fluid pump a motor current high. Learn what this fault indicates and where to begin diagnosis.P0C29Electric/Auxiliary Transmission Fluid Pump A Driver Circuit PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C29 concerns electric/auxiliary transmission fluid pump a driver circuit performance. Learn what this fault indicates and where to begin diagnosis.P0C2AElectric/Auxiliary Transmission Fluid Pump A Motor StalledCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C2A concerns electric/auxiliary transmission fluid pump a motor stalled. Learn what this fault indicates and where to begin diagnosis.P0C2BElectric/Auxiliary Transmission Fluid Pump Control Module Feedback SignalCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C2B concerns electric/auxiliary transmission fluid pump control module feedback signal. Learn what this fault indicates and where to begin diagnosis.P0C2CElectric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C2C concerns electric/auxiliary transmission fluid pump control module feedback signal range/performance. Learn what this fault indicates and where to begin diagnosis.P0C2DElectric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C2D concerns electric/auxiliary transmission fluid pump control module feedback signal low. Learn what this fault indicates and where to begin diagnosis.P0C2EElectric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C2E concerns electric/auxiliary transmission fluid pump control module feedback signal high. Learn what this fault indicates and where to begin diagnosis.P0C2FInternal Control Module Drive Motor/Generator - Engine Speed Sensor PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C2F concerns internal control module drive motor/generator - engine speed sensor performance. Learn what this fault indicates and where to begin diagnosis.P0C30Hybrid/EV Battery Pack State of Charge HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C30 concerns hybrid/ev battery pack state of charge high. Learn what this fault indicates and where to begin diagnosis.P0C31Inverter B Cooling System PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C31 concerns inverter b cooling system performance. Learn what this fault indicates and where to begin diagnosis.P0C32Hybrid/EV Battery Cooling System A PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C32 concerns hybrid/ev battery cooling system a performance. Learn what this fault indicates and where to begin diagnosis.P0C33Hybrid/EV Battery Temperature Sensor F CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C33 concerns hybrid/ev battery temperature sensor f circuit. Learn what this fault indicates and where to begin diagnosis.P0C34Hybrid/EV Battery Temperature Sensor F Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C34 concerns hybrid/ev battery temperature sensor f circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0C35Hybrid/EV Battery Temperature Sensor F Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C35 concerns hybrid/ev battery temperature sensor f circuit low. Learn what this fault indicates and where to begin diagnosis.P0C36Hybrid/EV Battery Temperature Sensor F Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C36 concerns hybrid/ev battery temperature sensor f circuit high. Learn what this fault indicates and where to begin diagnosis.P0C37Hybrid/EV Battery Temperature Sensor F Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C37 concerns hybrid/ev battery temperature sensor f circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0C38DC/DC Converter Temperature Sensor A CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C38 concerns dc/dc converter temperature sensor a circuit. Learn what this fault indicates and where to begin diagnosis.P0C39DC/DC Converter Temperature Sensor A Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C39 concerns dc/dc converter temperature sensor a range/performance. Learn what this fault indicates and where to begin diagnosis.P0C3ADC/DC Converter Temperature Sensor A LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C3A concerns dc/dc converter temperature sensor a low. Learn what this fault indicates and where to begin diagnosis.P0C3BDC/DC Converter Temperature Sensor A HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C3B concerns dc/dc converter temperature sensor a high. Learn what this fault indicates and where to begin diagnosis.P0C3CDC/DC Converter Temperature Sensor A Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C3C concerns dc/dc converter temperature sensor a intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0C3DDC/DC Converter Temperature Sensor B CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C3D concerns dc/dc converter temperature sensor b circuit. Learn what this fault indicates and where to begin diagnosis.P0C3EDC/DC Converter Temperature Sensor B Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0C3E concerns dc/dc converter temperature sensor b range/performance. Learn what this fault indicates and where to begin diagnosis.