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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

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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 49–72 of 200

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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.P0AFCHybrid/EV Battery Pack Sensor ModuleUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AFC concerns hybrid/ev battery pack sensor module. Learn what this fault indicates and where to begin diagnosis.P0AFDHybrid/EV Battery Pack Temperature Too LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AFD concerns hybrid/ev battery pack temperature too low. Learn what this fault indicates and where to begin diagnosis.P0B0EHybrid/EV Battery Pack Current Sensor B CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B0E concerns hybrid/ev battery pack current sensor b circuit. Learn what this fault indicates and where to begin diagnosis.P0B0FHybrid/EV Battery Pack Current Sensor B Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B0F concerns hybrid/ev battery pack current sensor b circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0B10Hybrid/EV Battery Pack Current Sensor B Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B10 concerns hybrid/ev battery pack current sensor b circuit low. Learn what this fault indicates and where to begin diagnosis.P0B11Hybrid/EV Battery Pack Current Sensor B Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B11 concerns hybrid/ev battery pack current sensor b circuit high. Learn what this fault indicates and where to begin diagnosis.P0B12Hybrid/EV Battery Pack Current Sensor B Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B12 concerns hybrid/ev battery pack current sensor b circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0B13Hybrid/EV Battery Pack Current Sensor A/B CorrelationUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B13 concerns hybrid/ev battery pack current sensor a/b correlation. Learn what this fault indicates and where to begin diagnosis.P0B14Hybrid/EV Battery Pack Voltage Sense B CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B14 concerns hybrid/ev battery pack voltage sense b circuit. Learn what this fault indicates and where to begin diagnosis.P0B15Hybrid/EV Battery Pack Voltage Sense B Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B15 concerns hybrid/ev battery pack voltage sense b circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0B16Hybrid/EV Battery Pack Voltage Sense B Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B16 concerns hybrid/ev battery pack voltage sense b circuit low. Learn what this fault indicates and where to begin diagnosis.P0B17Hybrid/EV Battery Pack Voltage Sense B Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B17 concerns hybrid/ev battery pack voltage sense b circuit high. Learn what this fault indicates and where to begin diagnosis.P0B18Hybrid/EV Battery Pack Voltage Sense B Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B18 concerns hybrid/ev battery pack voltage sense b circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0B19Hybrid/EV Battery Pack Voltage Sense C CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B19 concerns hybrid/ev battery pack voltage sense c circuit. Learn what this fault indicates and where to begin diagnosis.P0B1AHybrid/EV Battery Pack Voltage Sense C Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B1A concerns hybrid/ev battery pack voltage sense c circuit range/performance. Learn what this fault indicates and where to begin diagnosis.