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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.

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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Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

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 2257–2280 of 7353

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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.P0A0FEngine Failed to StartCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A0F concerns engine failed to start. Learn what this fault indicates and where to begin diagnosis.P0A10DC/DC Converter Status Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A10 concerns dc/dc converter status circuit high. Learn what this fault indicates and where to begin diagnosis.P0A11DC/DC Converter Enable Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A11 concerns dc/dc converter enable circuit/open. Learn what this fault indicates and where to begin diagnosis.P0A12DC/DC Converter Enable Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A12 concerns dc/dc converter enable circuit low. Learn what this fault indicates and where to begin diagnosis.P0A13DC/DC Converter Enable Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A13 concerns dc/dc converter enable circuit high. Learn what this fault indicates and where to begin diagnosis.P0A14Engine Mount A Control Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A14 concerns engine mount a control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0A15Engine Mount A Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A15 concerns engine mount a control circuit low. Learn what this fault indicates and where to begin diagnosis.P0A16Engine Mount A Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A16 concerns engine mount a control circuit high. Learn what this fault indicates and where to begin diagnosis.P0A17Motor Torque Sensor CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A17 concerns motor torque sensor circuit. Learn what this fault indicates and where to begin diagnosis.P0A18Motor Torque Sensor Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A18 concerns motor torque sensor circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0A19Motor Torque Sensor Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A19 concerns motor torque sensor circuit low. Learn what this fault indicates and where to begin diagnosis.P0A1AGenerator Control ModuleCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A1A concerns generator control module. Learn what this fault indicates and where to begin diagnosis.P0A1BDrive Motor A Control Module PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A1B concerns drive motor a control module performance. Learn what this fault indicates and where to begin diagnosis.P0A1CDrive Motor B Control Module PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A1C concerns drive motor b control module performance. Learn what this fault indicates and where to begin diagnosis.P0A1DHybrid/EV Powertrain Control Module ACheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A1D concerns hybrid/ev powertrain control module a. Learn what this fault indicates and where to begin diagnosis.P0A1EStarter/Generator Control ModuleCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A1E concerns starter/generator control module. Learn what this fault indicates and where to begin diagnosis.P0A1FBattery Energy Control Module A PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A1F concerns battery energy control module a performance. Learn what this fault indicates and where to begin diagnosis.P0A20Motor Torque Sensor Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A20 concerns motor torque sensor circuit high. Learn what this fault indicates and where to begin diagnosis.P0A21Motor Torque Sensor Circuit IntermittentCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0A21 concerns motor torque sensor circuit intermittent. Learn what this fault indicates and where to begin diagnosis.