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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.

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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 3097–3120 of 9253

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P0AC8Hybrid/EV Battery Temperature Sensor B Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0AC8 concerns hybrid/ev battery temperature sensor b circuit high. Learn what this fault indicates and where to begin diagnosis.P0AC9Hybrid/EV Battery Temperature Sensor B Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0AC9 concerns hybrid/ev battery temperature sensor b circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0ACAHybrid/EV Battery Temperature Sensor C CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACA concerns hybrid/ev battery temperature sensor c circuit. Learn what this fault indicates and where to begin diagnosis.P0ACBHybrid/EV Battery Temperature Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACB concerns hybrid/ev battery temperature sensor c circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0ACCHybrid/EV Battery Temperature Sensor C Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACC concerns hybrid/ev battery temperature sensor c circuit low. Learn what this fault indicates and where to begin diagnosis.P0ACDHybrid/EV Battery Temperature Sensor C Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACD concerns hybrid/ev battery temperature sensor c circuit high. Learn what this fault indicates and where to begin diagnosis.P0ACEHybrid/EV Battery Temperature Sensor C Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACE concerns hybrid/ev battery temperature sensor c circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0ACFHybrid/EV Battery Pack Cooling Fan 3 Control Circuit/OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0ACF concerns hybrid/ev battery pack cooling fan 3 control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0AD0Hybrid/EV Battery Pack Cooling Fan 3 Performance/Stuck OffUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD0 concerns hybrid/ev battery pack cooling fan 3 performance/stuck off. Learn what this fault indicates and where to begin diagnosis.P0AD1Hybrid/EV Battery Pack Cooling Fan 3 Stuck OnUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD1 concerns hybrid/ev battery pack cooling fan 3 stuck on. Learn what this fault indicates and where to begin diagnosis.P0AD2Hybrid/EV Battery Pack Cooling Fan 3 Control Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD2 concerns hybrid/ev battery pack cooling fan 3 control circuit low. Learn what this fault indicates and where to begin diagnosis.P0AD3Hybrid/EV Battery Pack Cooling Fan 3 Control Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD3 concerns hybrid/ev battery pack cooling fan 3 control circuit high. Learn what this fault indicates and where to begin diagnosis.P0AD4Hybrid/EV Battery Pack Air Flow System Insufficient Air FlowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD4 concerns hybrid/ev battery pack air flow system insufficient air flow. Learn what this fault indicates and where to begin diagnosis.P0AD5Hybrid/EV Battery Pack Air Flow Valve A Control Circuit/OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD5 concerns hybrid/ev battery pack air flow valve a control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0AD6Hybrid/EV Battery Pack Air Flow Valve A Control Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD6 concerns hybrid/ev battery pack air flow valve a control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0AD7Hybrid/EV Battery Pack Air Flow Valve A Control Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD7 concerns hybrid/ev battery pack air flow valve a control circuit low. Learn what this fault indicates and where to begin diagnosis.P0AD8Hybrid/EV Battery Pack Air Flow Valve A Control Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD8 concerns hybrid/ev battery pack air flow valve a control circuit high. Learn what this fault indicates and where to begin diagnosis.P0AD9Hybrid/EV Battery Positive Contactor Control Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0AD9 concerns hybrid/ev battery positive contactor control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0ADAHybrid/EV Battery Positive Contactor Control Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ADA concerns hybrid/ev battery positive contactor control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0ADBHybrid/EV Battery Positive Contactor Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ADB concerns hybrid/ev battery positive contactor control circuit low. Learn what this fault indicates and where to begin diagnosis.P0ADCHybrid/EV Battery Positive Contactor Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ADC concerns hybrid/ev battery positive contactor control circuit high. Learn what this fault indicates and where to begin diagnosis.P0ADDHybrid/EV Battery Negative Contactor Control Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ADD concerns hybrid/ev battery negative contactor control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0ADEHybrid/EV Battery Negative Contactor Control Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ADE concerns hybrid/ev battery negative contactor control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0ADFHybrid/EV Battery Negative Contactor Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ADF concerns hybrid/ev battery negative contactor control circuit low. Learn what this fault indicates and where to begin diagnosis.