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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.

Check soon 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 3073–3096 of 6682

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P0EF3Drive Motor C Temperature Sensor Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EF3 concerns drive motor c temperature sensor circuit low. Learn what this fault indicates and where to begin diagnosis.P0EF4Drive Motor C Temperature Sensor Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EF4 concerns drive motor c temperature sensor circuit high. Learn what this fault indicates and where to begin diagnosis.P0EF5Drive Motor C Temperature Sensor Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EF5 concerns drive motor c temperature sensor circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0EF6Drive Motor C Temperature Sensor Over TemperatureCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EF6 concerns drive motor c temperature sensor over temperature. Learn what this fault indicates and where to begin diagnosis.P0EF7Battery Charger A Input Voltage Sensor B CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EF7 concerns battery charger a input voltage sensor b circuit. Learn what this fault indicates and where to begin diagnosis.P0EF8Battery Charger A Input Voltage Sensor B Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EF8 concerns battery charger a input voltage sensor b circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0EF9Battery Charger A Input Voltage Sensor B Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EF9 concerns battery charger a input voltage sensor b circuit low. Learn what this fault indicates and where to begin diagnosis.P0EFABattery Charger A Input Voltage Sensor B Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EFA concerns battery charger a input voltage sensor b circuit high. Learn what this fault indicates and where to begin diagnosis.P0EFBBattery Charger A Input Voltage Sensor C CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EFB concerns battery charger a input voltage sensor c circuit. Learn what this fault indicates and where to begin diagnosis.P0EFCBattery Charger A Input Voltage Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EFC concerns battery charger a input voltage sensor c circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0EFDBattery Charger A Input Voltage Sensor C Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EFD concerns battery charger a input voltage sensor c circuit low. Learn what this fault indicates and where to begin diagnosis.P0EFEBattery Charger A Input Voltage Sensor C Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EFE concerns battery charger a input voltage sensor c circuit high. Learn what this fault indicates and where to begin diagnosis.P2000NOx Adsorber Efficiency Below Threshold Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2000 relates to nox adsorber efficiency below threshold bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2001NOx Adsorber Efficiency Below Threshold Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2001 relates to nox adsorber efficiency below threshold bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2002Particulate Filter Efficiency Below Threshold Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP2002 relates to particulate filter efficiency below threshold bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2003Particulate Filter Efficiency Below Threshold Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP2003 relates to particulate filter efficiency below threshold bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2004Intake Manifold Runner Control Stuck Open Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2004 relates to intake manifold runner control stuck open bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2005Intake Manifold Runner Control Stuck Open Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2005 relates to intake manifold runner control stuck open bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2006Intake Manifold Runner Control Stuck Closed Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2006 relates to intake manifold runner control stuck closed bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2007Intake Manifold Runner Control Stuck Closed Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2007 relates to intake manifold runner control stuck closed bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2008Intake Manifold Runner Control Circuit/Open Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2008 relates to intake manifold runner control circuit/open bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2009Intake Manifold Runner Control Circuit Low Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2009 relates to intake manifold runner control circuit low bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P200AIntake Manifold Runner Performance Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP200A relates to intake manifold runner performance bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P200BIntake Manifold Runner Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP200B relates to intake manifold runner performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.