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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.

Urgent 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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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 73–96 of 302

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P0AA8Hybrid/EV Battery Voltage Isolation Sensor Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AA8 concerns hybrid/ev battery voltage isolation sensor circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0AA9Hybrid/EV Battery Voltage Isolation Sensor Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AA9 concerns hybrid/ev battery voltage isolation sensor circuit low. Learn what this fault indicates and where to begin diagnosis.P0AAAHybrid/EV Battery Voltage Isolation Sensor Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AAA concerns hybrid/ev battery voltage isolation sensor circuit high. Learn what this fault indicates and where to begin diagnosis.P0AABHybrid/EV Battery Voltage Isolation Sensor Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AAB concerns hybrid/ev battery voltage isolation sensor circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0AACHybrid/EV Battery Pack Air Temperature Sensor A CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AAC concerns hybrid/ev battery pack air temperature sensor a circuit. Learn what this fault indicates and where to begin diagnosis.P0AADHybrid/EV Battery Pack Air Temperature Sensor A Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AAD concerns hybrid/ev battery pack air temperature sensor a circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0AAEHybrid/EV Battery Pack Air Temperature Sensor A Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AAE concerns hybrid/ev battery pack air temperature sensor a circuit low. Learn what this fault indicates and where to begin diagnosis.P0AAFHybrid/EV Battery Pack Air Temperature Sensor A Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AAF concerns hybrid/ev battery pack air temperature sensor a circuit high. Learn what this fault indicates and where to begin diagnosis.P0AB0Hybrid/EV Battery Pack Air Temperature Sensor A Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AB0 concerns hybrid/ev battery pack air temperature sensor a circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0AB1Hybrid/EV Battery Pack Air Temperature Sensor B CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AB1 concerns hybrid/ev battery pack air temperature sensor b circuit. Learn what this fault indicates and where to begin diagnosis.P0AB2Hybrid/EV Battery Pack Air Temperature Sensor B Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AB2 concerns hybrid/ev battery pack air temperature sensor b circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0AB3Hybrid/EV Battery Pack Air Temperature Sensor B Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AB3 concerns hybrid/ev battery pack air temperature sensor b circuit low. Learn what this fault indicates and where to begin diagnosis.P0AB4Hybrid/EV Battery Pack Air Temperature Sensor B Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AB4 concerns hybrid/ev battery pack air temperature sensor b circuit high. Learn what this fault indicates and where to begin diagnosis.P0AB5Hybrid/EV Battery Pack Air Temperature Sensor B Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AB5 concerns hybrid/ev battery pack air temperature sensor b circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0ABAHybrid/EV Battery Pack Voltage Sense A CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0ABA concerns hybrid/ev battery pack voltage sense a circuit. Learn what this fault indicates and where to begin diagnosis.P0ABBHybrid/EV Battery Pack Voltage Sense A Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0ABB concerns hybrid/ev battery pack voltage sense a circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0ABCHybrid/EV Battery Pack Voltage Sense A Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0ABC concerns hybrid/ev battery pack voltage sense a circuit low. Learn what this fault indicates and where to begin diagnosis.P0ABDHybrid/EV Battery Pack Voltage Sense A Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0ABD concerns hybrid/ev battery pack voltage sense a circuit high. Learn what this fault indicates and where to begin diagnosis.P0ABEHybrid/EV Battery Pack Voltage Sense A Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0ABE concerns hybrid/ev battery pack voltage sense a circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0ABFHybrid/EV Battery Pack Current Sensor A CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0ABF concerns hybrid/ev battery pack current sensor a circuit. Learn what this fault indicates and where to begin diagnosis.P0AC0Hybrid/EV Battery Pack Current Sensor A Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AC0 concerns hybrid/ev battery pack current sensor a circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0AC1Hybrid/EV Battery Pack Current Sensor A Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AC1 concerns hybrid/ev battery pack current sensor a circuit low. Learn what this fault indicates and where to begin diagnosis.P0AC2Hybrid/EV Battery Pack Current Sensor A Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AC2 concerns hybrid/ev battery pack current sensor a circuit high. Learn what this fault indicates and where to begin diagnosis.P0AC3Hybrid/EV Battery Pack Current Sensor A Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AC3 concerns hybrid/ev battery pack current sensor a circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.