Diagnostic library

Find an OBD2 code

Search the code from your scanner, then narrow the library by system, severity, or code family.

9,253 diagnostic guides

Sort

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.

P · Powertrain Clear all

Quick browse

Choose a vehicle system

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 6745–6768 of 7353

Most searched first

P2DABDC/AC Converter Control Module A Switch B Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DAB relates to dc/ac converter control module a switch b circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DACDrive Motor A Temperature Sensor B CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DAC relates to drive motor a temperature sensor b circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DADDrive Motor A Temperature Sensor B Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DAD relates to drive motor a temperature sensor b circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DAEDrive Motor A Temperature Sensor B Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DAE relates to drive motor a temperature sensor b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DAFDrive Motor A Temperature Sensor B Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DAF relates to drive motor a temperature sensor b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB0Drive Motor A Temperature Sensor B Circuit IntermittentCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DB0 relates to drive motor a temperature sensor b circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB1Drive Motor A Temperature Sensor C CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DB1 relates to drive motor a temperature sensor c circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB2Drive Motor A Temperature Sensor C Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DB2 relates to drive motor a temperature sensor c circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB3Drive Motor A Temperature Sensor C Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DB3 relates to drive motor a temperature sensor c circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB4Drive Motor A Temperature Sensor C Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DB4 relates to drive motor a temperature sensor c circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB5Drive Motor A Temperature Sensor C Circuit IntermittentCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2DB5 relates to drive motor a temperature sensor c circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB6Battery Charger B Cooling System PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DB6 relates to battery charger b cooling system performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB7Battery Charging System B High Voltage Interlock Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DB7 relates to battery charging system b high voltage interlock circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB8Battery Charging System B High Voltage Interlock Circuit PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DB8 relates to battery charging system b high voltage interlock circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DB9Battery Charging System B High Voltage Interlock Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DB9 relates to battery charging system b high voltage interlock circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DBABattery Charging System B High Voltage Interlock Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DBA relates to battery charging system b high voltage interlock circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DBBBattery Charging System B High Voltage Interlock Circuit Intermittent/ErraticCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DBB relates to battery charging system b high voltage interlock circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DBCBattery Charger B Coupler Lock Position Sensor CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DBC relates to battery charger b coupler lock position sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DBDBattery Charger B Coupler Lock Position Sensor Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DBD relates to battery charger b coupler lock position sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DBEBattery Charger B Coupler Lock Position Sensor Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DBE relates to battery charger b coupler lock position sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DBFBattery Charger B Coupler Lock Position Sensor Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DBF relates to battery charger b coupler lock position sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DC0Battery Charger B Coupler Lock Position Sensor Circuit Intermittent/ErraticCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DC0 relates to battery charger b coupler lock position sensor circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DC1Starter/Generator Phase X Current Sensor CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DC1 relates to starter/generator phase x current sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DC2Starter/Generator Phase X Current Sensor Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DC2 relates to starter/generator phase x current sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.