Diagnostic library

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Search the code from your scanner, then narrow the library by system, severity, or code family.

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.

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

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

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

Vehicle coverage

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

Diagnostic codes

Showing 769–792 of 1570

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P0D05Control Pilot Charging Ventilation Switch Stuck OffCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D05 concerns control pilot charging ventilation switch stuck off. Learn what this fault indicates and where to begin diagnosis.P0D06Control Pilot Charging Ventilation Switch Stuck OnCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D06 concerns control pilot charging ventilation switch stuck on. Learn what this fault indicates and where to begin diagnosis.P0D07Battery Charging System Positive Contactor A CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D07 concerns battery charging system positive contactor a circuit. Learn what this fault indicates and where to begin diagnosis.P0D08Battery Charging System Positive Contactor A Stuck ClosedCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D08 concerns battery charging system positive contactor a stuck closed. Learn what this fault indicates and where to begin diagnosis.P0D09Battery Charging System Positive Contactor A Stuck OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D09 concerns battery charging system positive contactor a stuck open. Learn what this fault indicates and where to begin diagnosis.P0D0ABattery Charging System Positive Contactor A Control Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D0A concerns battery charging system positive contactor a control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0D0BBattery Charging System Positive Contactor A Control Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D0B concerns battery charging system positive contactor a control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0D0CBattery Charging System Positive Contactor A Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D0C concerns battery charging system positive contactor a control circuit low. Learn what this fault indicates and where to begin diagnosis.P0D0DBattery Charging System Positive Contactor A Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D0D concerns battery charging system positive contactor a control circuit high. Learn what this fault indicates and where to begin diagnosis.P0D0EBattery Charging System Negative Contactor A CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D0E concerns battery charging system negative contactor a circuit. Learn what this fault indicates and where to begin diagnosis.P0D0FBattery Charging System Negative Contactor A Stuck ClosedCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D0F concerns battery charging system negative contactor a stuck closed. Learn what this fault indicates and where to begin diagnosis.P0D10Battery Charging System Negative Contactor A Stuck OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D10 concerns battery charging system negative contactor a stuck open. Learn what this fault indicates and where to begin diagnosis.P0D11Battery Charging System Negative Contactor A Control Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D11 concerns battery charging system negative contactor a control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0D12Battery Charging System Negative Contactor A Control Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D12 concerns battery charging system negative contactor a control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0D13Battery Charging System Negative Contactor A Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D13 concerns battery charging system negative contactor a control circuit low. Learn what this fault indicates and where to begin diagnosis.P0D14Battery Charging System Negative Contactor A Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D14 concerns battery charging system negative contactor a control circuit high. Learn what this fault indicates and where to begin diagnosis.P0D1FControl Module Date/Time Synchronization ErrorCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D1F concerns control module date/time synchronization error. Learn what this fault indicates and where to begin diagnosis.P0D20Battery Charger A Output Voltage PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D20 concerns battery charger a output voltage performance. Learn what this fault indicates and where to begin diagnosis.P0D21Battery Charger A Output Voltage Too LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D21 concerns battery charger a output voltage too low. Learn what this fault indicates and where to begin diagnosis.P0D22Battery Charger A Output Current PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D22 concerns battery charger a output current performance. Learn what this fault indicates and where to begin diagnosis.P0D23Battery Charger A Output ShortedCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D23 concerns battery charger a output shorted. Learn what this fault indicates and where to begin diagnosis.P0D24Battery Charger A Temperature Too HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D24 concerns battery charger a temperature too high. Learn what this fault indicates and where to begin diagnosis.P0D25Battery Charger System Precharge Time Too ShortCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D25 concerns battery charger system precharge time too short. Learn what this fault indicates and where to begin diagnosis.P0D26Battery Charger System Precharge Time Too LongCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0D26 concerns battery charger system precharge time too long. Learn what this fault indicates and where to begin diagnosis.