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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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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 433–456 of 621

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P0B33High Voltage Service Disconnect CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B33 concerns high voltage service disconnect circuit. Learn what this fault indicates and where to begin diagnosis.P0B34High Voltage Service Disconnect Circuit PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B34 concerns high voltage service disconnect circuit performance. Learn what this fault indicates and where to begin diagnosis.P0B35High Voltage Service Disconnect Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B35 concerns high voltage service disconnect circuit low. Learn what this fault indicates and where to begin diagnosis.P0B36High Voltage Service Disconnect Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B36 concerns high voltage service disconnect circuit high. Learn what this fault indicates and where to begin diagnosis.P0B37High Voltage Service Disconnect OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0B37 concerns high voltage service disconnect open. Learn what this fault indicates and where to begin diagnosis.P0BBDHybrid/EV Battery Pack Voltage Variation Exceeded LimitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BBD concerns hybrid/ev battery pack voltage variation exceeded limit. Learn what this fault indicates and where to begin diagnosis.P0BBEHybrid/EV Battery Pack Voltage VariationUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BBE concerns hybrid/ev battery pack voltage variation. Learn what this fault indicates and where to begin diagnosis.P0BBFHybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit/OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BBF concerns hybrid/ev battery pack cooling fan supply voltage circuit/open. Learn what this fault indicates and where to begin diagnosis.P0BC0Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BC0 concerns hybrid/ev battery pack cooling fan supply voltage circuit low. Learn what this fault indicates and where to begin diagnosis.P0BC1Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BC1 concerns hybrid/ev battery pack cooling fan supply voltage circuit high. Learn what this fault indicates and where to begin diagnosis.P0BC7Hybrid/EV Battery Pack Cooling Fan 1 Sense Circuit/OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BC7 concerns hybrid/ev battery pack cooling fan 1 sense circuit/open. Learn what this fault indicates and where to begin diagnosis.P0BC8Hybrid/EV Battery Pack Cooling Fan 1 Sense Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BC8 concerns hybrid/ev battery pack cooling fan 1 sense range/performance. Learn what this fault indicates and where to begin diagnosis.P0BC9Hybrid/EV Battery Pack Cooling Fan 1 Sense Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BC9 concerns hybrid/ev battery pack cooling fan 1 sense circuit low. Learn what this fault indicates and where to begin diagnosis.P0BCAHybrid/EV Battery Pack Cooling Fan 1 Sense Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BCA concerns hybrid/ev battery pack cooling fan 1 sense circuit high. Learn what this fault indicates and where to begin diagnosis.P0BCBHybrid/EV Battery Pack Cooling Fan 1 Sense Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0BCB concerns hybrid/ev battery pack cooling fan 1 sense circuit intermittent/erratic. 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.P0C42Hybrid/EV Battery Pack Coolant Temperature Sensor A CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C42 concerns hybrid/ev battery pack coolant temperature sensor a circuit. Learn what this fault indicates and where to begin diagnosis.P0C43Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C43 concerns hybrid/ev battery pack coolant temperature sensor a circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0C44Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C44 concerns hybrid/ev battery pack coolant temperature sensor a circuit low. Learn what this fault indicates and where to begin diagnosis.P0C45Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C45 concerns hybrid/ev battery pack coolant temperature sensor a circuit high. Learn what this fault indicates and where to begin diagnosis.P0C46Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C46 concerns hybrid/ev battery pack coolant temperature sensor a circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0C47Hybrid/EV Battery Pack Coolant Pump A Control Circuit/OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C47 concerns hybrid/ev battery pack coolant pump a control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0C48Hybrid/EV Battery Pack Coolant Pump A Control Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C48 concerns hybrid/ev battery pack coolant pump a control circuit low. Learn what this fault indicates and where to begin diagnosis.P0C49Hybrid/EV Battery Pack Coolant Pump A Control Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0C49 concerns hybrid/ev battery pack coolant pump a control circuit high. Learn what this fault indicates and where to begin diagnosis.