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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.

Electrical & Charging System 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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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 553–576 of 1797

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P0BAFHybrid/EV Battery Voltage Sense X Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BAF concerns hybrid/ev battery voltage sense x circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0BB0Hybrid/EV Battery Voltage Sense X Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB0 concerns hybrid/ev battery voltage sense x circuit low. Learn what this fault indicates and where to begin diagnosis.P0BB1Hybrid/EV Battery Voltage Sense X Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB1 concerns hybrid/ev battery voltage sense x circuit high. Learn what this fault indicates and where to begin diagnosis.P0BB2Hybrid/EV Battery Voltage Sense X Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB2 concerns hybrid/ev battery voltage sense x circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0BB3Hybrid/EV Battery Voltage Sense Y CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB3 concerns hybrid/ev battery voltage sense y circuit. Learn what this fault indicates and where to begin diagnosis.P0BB4Hybrid/EV Battery Voltage Sense Y Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB4 concerns hybrid/ev battery voltage sense y circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0BB5Hybrid/EV Battery Voltage Sense Y Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB5 concerns hybrid/ev battery voltage sense y circuit low. Learn what this fault indicates and where to begin diagnosis.P0BB6Hybrid/EV Battery Voltage Sense Y Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB6 concerns hybrid/ev battery voltage sense y circuit high. Learn what this fault indicates and where to begin diagnosis.P0BB7Hybrid/EV Battery Voltage Sense Y Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB7 concerns hybrid/ev battery voltage sense y circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0BB8Hybrid/EV Battery Voltage Sense Z CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB8 concerns hybrid/ev battery voltage sense z circuit. Learn what this fault indicates and where to begin diagnosis.P0BB9Hybrid/EV Battery Voltage Sense Z Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BB9 concerns hybrid/ev battery voltage sense z circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0BBAHybrid/EV Battery Voltage Sense Z Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BBA concerns hybrid/ev battery voltage sense z circuit low. Learn what this fault indicates and where to begin diagnosis.P0BBBHybrid/EV Battery Voltage Sense Z Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BBB concerns hybrid/ev battery voltage sense z circuit high. Learn what this fault indicates and where to begin diagnosis.P0BBCHybrid/EV Battery Voltage Sense Z Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BBC concerns hybrid/ev battery voltage sense z circuit intermittent/erratic. 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.P0BC2Hybrid/EV Battery Temperature Sensor E CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BC2 concerns hybrid/ev battery temperature sensor e circuit. Learn what this fault indicates and where to begin diagnosis.P0BC3Hybrid/EV Battery Temperature Sensor E Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BC3 concerns hybrid/ev battery temperature sensor e circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0BC4Hybrid/EV Battery Temperature Sensor E Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BC4 concerns hybrid/ev battery temperature sensor e circuit low. Learn what this fault indicates and where to begin diagnosis.P0BC5Hybrid/EV Battery Temperature Sensor E Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BC5 concerns hybrid/ev battery temperature sensor e circuit high. Learn what this fault indicates and where to begin diagnosis.P0BC6Hybrid/EV Battery Temperature Sensor E Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BC6 concerns hybrid/ev battery temperature sensor e circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.