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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.

Sensors & Electronics 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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Diagnostic codes

Showing 889–912 of 2110

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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.P2079Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2079 relates to intake manifold tuning (imt) valve position sensor/switch circuit intermittent bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P207AIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP207A relates to intake manifold tuning (imt) valve position sensor/switch circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P207BIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP207B relates to intake manifold tuning (imt) valve position sensor/switch circuit range/performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P207CIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP207C relates to intake manifold tuning (imt) valve position sensor/switch circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P207DIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP207D relates to intake manifold tuning (imt) valve position sensor/switch circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P207EIntake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP207E relates to intake manifold tuning (imt) valve position sensor/switch circuit intermittent bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P207FReductant Quality PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP207F relates to reductant quality performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P208AReductant Pump A Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP208A relates to reductant pump a control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P208BReductant Pump A Control Performance/Stuck OffCheck soonSensors & Electronics30–120 minutes for initial diagnosisP208B relates to reductant pump a control performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P208CReductant Pump A Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP208C relates to reductant pump a control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P208DReductant Pump A Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP208D relates to reductant pump a control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P209FReductant Tank Heater Control Circuit PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP209F relates to reductant tank heater control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P20ACReductant Metering Unit Temperature Sensor CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20AC relates to reductant metering unit temperature sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P20ADReductant Metering Unit Temperature Sensor Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20AD relates to reductant metering unit temperature sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P20AEReductant Metering Unit Temperature Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20AE relates to reductant metering unit temperature sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P20AFReductant Metering Unit Temperature Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20AF relates to reductant metering unit temperature sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P20B0Reductant Metering Unit Temperature Sensor Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20B0 relates to reductant metering unit temperature sensor circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P20B5Reductant Metering Unit Heater Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20B5 relates to reductant metering unit heater control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P20B6Reductant Metering Unit Heater Control Circuit PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20B6 relates to reductant metering unit heater control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P20B7Reductant Metering Unit Heater Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20B7 relates to reductant metering unit heater control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P20B8Reductant Metering Unit Heater Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20B8 relates to reductant metering unit heater control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P20B9Reductant Heater A Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP20B9 relates to reductant heater a control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.