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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.

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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 793–816 of 866

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P28D6Clutch B Motor Driver Current/Temperature Too HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP28D6 relates to clutch b motor driver current/temperature too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P28D7Clutch B Pump Motor PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP28D7 relates to clutch b pump motor performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P28D8Clutch B Motor OverspeedUrgentTransmission Issues30–120 minutes for initial diagnosisP28D8 relates to clutch b motor overspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P28D9Clutch B Motor UnderspeedCheck soonTransmission Issues30–120 minutes for initial diagnosisP28D9 relates to clutch b motor underspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P28DAClutch B Motor Position Sensor Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP28DA relates to clutch b motor position sensor circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P28DBClutch B Motor Position Sensor Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP28DB relates to clutch b motor position sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P28DCClutch B Pressure Sensor Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP28DC relates to clutch b pressure sensor circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P28DDClutch B Pressure Sensor Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP28DD relates to clutch b pressure sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P28DEClutch B Pressure Sensor Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP28DE relates to clutch b pressure sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P28DFClutch B Pressure Sensor Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP28DF relates to clutch b pressure sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E0Shift Motor Phase U-V-W Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP28E0 relates to shift motor phase u-v-w circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E1Shift Motor Phase U-V-W Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP28E1 relates to shift motor phase u-v-w circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E2Shift Motor Phase U-V-W Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP28E2 relates to shift motor phase u-v-w circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E3Shift Motor Phase U-V-W PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP28E3 relates to shift motor phase u-v-w performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E4Shift Motor Driver Current/Temperature Too HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP28E4 relates to shift motor driver current/temperature too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E5Shift Motor PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP28E5 relates to shift motor performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E6Shift Motor OverspeedUrgentTransmission Issues30–120 minutes for initial diagnosisP28E6 relates to shift motor overspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E7Shift Motor Position Sensor Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP28E7 relates to shift motor position sensor circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E8Shift Motor Position Sensor Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP28E8 relates to shift motor position sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P28E9Shift Motor Position Sensor Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP28E9 relates to shift motor position sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P28EAShift Motor Position Sensor Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP28EA relates to shift motor position sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P28EBShift Motor Position Not LearnedCheck soonTransmission Issues30–120 minutes for initial diagnosisP28EB relates to shift motor position not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P28ECShift Motor Position Sensor Exceeded Learning LimitCheck soonTransmission Issues30–120 minutes for initial diagnosisP28EC relates to shift motor position sensor exceeded learning limit. Check the fault conditions and vehicle-specific procedure before replacing parts.P28EDElectric/Auxiliary Transmission Fluid Pump B OverspeedUrgentTransmission Issues30–120 minutes for initial diagnosisP28ED relates to electric/auxiliary transmission fluid pump b overspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.