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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 4273–4296 of 9253

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P2061Reductant Injection Air Pump Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2061 relates to reductant injection air pump control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2062Reductant/Regeneration Supply Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2062 relates to reductant/regeneration supply control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2063Reductant/Regeneration Supply Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2063 relates to reductant/regeneration supply control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2064Reductant/Regeneration Supply Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2064 relates to reductant/regeneration supply control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2065Fuel Level Sensor B CircuitLow priorityFuel System30–120 minutes for initial diagnosisP2065 relates to fuel level sensor b circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2066Fuel Level Sensor B PerformanceLow priorityFuel System30–120 minutes for initial diagnosisP2066 relates to fuel level sensor b performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2067Fuel Level Sensor B Circuit LowLow priorityFuel System30–120 minutes for initial diagnosisP2067 relates to fuel level sensor b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2068Fuel Level Sensor B Circuit HighLow priorityFuel System30–120 minutes for initial diagnosisP2068 relates to fuel level sensor b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2069Fuel Level Sensor B Circuit IntermittentLow priorityFuel System30–120 minutes for initial diagnosisP2069 relates to fuel level sensor b circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P206AReductant Quality Sensor CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP206A relates to reductant quality sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P206BReductant Quality Sensor Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP206B relates to reductant quality sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P206CReductant Quality Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP206C relates to reductant quality sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P206DReductant Quality Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP206D relates to reductant quality sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P206EIntake Manifold Tuning (IMT) Valve Stuck Open Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP206E relates to intake manifold tuning (imt) valve stuck open bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P206FIntake Manifold Tuning (IMT) Valve Stuck Closed Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP206F relates to intake manifold tuning (imt) valve stuck closed bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2070Intake Manifold Tuning (IMT) Valve Stuck Open Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2070 relates to intake manifold tuning (imt) valve stuck open bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2071Intake Manifold Tuning (IMT) Valve Stuck Closed Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2071 relates to intake manifold tuning (imt) valve stuck closed bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2072Throttle Actuator Control System - Ice Blockage Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2072 relates to throttle actuator control system - ice blockage bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2073Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at IdleCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2073 relates to manifold absolute pressure/mass air flow - throttle position correlation at idle. Check the fault conditions and vehicle-specific procedure before replacing parts.P2074Manifold Absolute Pressure/Mass Air Flow - Throttle Position Correlation at Higher LoadCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2074 relates to manifold absolute pressure/mass air flow - throttle position correlation at higher load. Check the fault conditions and vehicle-specific procedure before replacing parts.P2075Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2075 relates to intake manifold tuning (imt) valve position sensor/switch circuit bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2076Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2076 relates to intake manifold tuning (imt) valve position sensor/switch circuit range/performance bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2077Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2077 relates to intake manifold tuning (imt) valve position sensor/switch circuit low bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2078Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2078 relates to intake manifold tuning (imt) valve position sensor/switch circuit high bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.