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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.

Transmission Issues Urgent Clear all

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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

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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 1–17 of 17

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P0218Transmission Fluid Overtemperature ConditionUrgentTransmission Issues1–3 hours for initial diagnosisP0218 means Transmission Fluid Overtemperature Condition. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0706Transmission Range Sensor A Circuit Range/PerformanceUrgentTransmission Issues30–90 minutes for initial diagnosisP0706 means the transmission range switch reports a gear position that does not match the expected pattern. Learn what to check before replacing parts.P0707Transmission Range Sensor A Circuit LowUrgentTransmission Issues30–90 minutes for initial diagnosisP0707 means the transmission range sensor circuit reports a low signal. Learn what to check before replacing parts.P0708Transmission Range Sensor A Circuit HighUrgentTransmission Issues30–90 minutes for initial diagnosisP0708 means the transmission range sensor circuit reports a high signal or conflicting range inputs. Learn what to check before replacing parts.P0712Transmission Fluid Temperature Sensor A Circuit LowUrgentTransmission Issues30–90 minutes for initial diagnosisP0712 indicates the transmission fluid temperature sensor circuit reports a low electrical signal. Learn what to inspect before replacing parts.P0713Transmission Fluid Temperature Sensor A Circuit HighUrgentTransmission Issues30–90 minutes for initial diagnosisP0713 indicates the transmission fluid temperature sensor circuit reports a high electrical signal. Learn what to inspect before replacing parts.P0721Output Speed Sensor Circuit Range/PerformanceUrgentTransmission Issues30–90 minutes for initial diagnosisP0721 means the output shaft speed signal does not agree with expected transmission or vehicle operation. Learn what to check before replacing parts.P0723Output Speed Sensor Circuit IntermittentUrgentTransmission Issues30–90 minutes for initial diagnosisP0723 means the transmission output speed signal drops out or changes unexpectedly. Learn what to check before replacing parts.P273EGear Shift Control Module A Over TemperatureUrgentTransmission Issues30–120 minutes for initial diagnosisP273E relates to gear shift control module a over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P273FTransmission Fluid Temperature Sensor B Over Temperature ConditionUrgentTransmission Issues30–120 minutes for initial diagnosisP273F relates to transmission fluid temperature sensor b over temperature condition. Check the fault conditions and vehicle-specific procedure before replacing parts.P274FTransmission Fluid Temperature Sensor C Over Temperature ConditionUrgentTransmission Issues30–120 minutes for initial diagnosisP274F relates to transmission fluid temperature sensor c over temperature condition. Check the fault conditions and vehicle-specific procedure before replacing parts.P275FTransmission Fluid Temperature Sensor D Over Temperature ConditionUrgentTransmission Issues30–120 minutes for initial diagnosisP275F relates to transmission fluid temperature sensor d over temperature condition. Check the fault conditions and vehicle-specific procedure before replacing parts.P277DElectric/Auxiliary Transmission Fluid Pump B Motor Over TemperatureUrgentTransmission Issues30–120 minutes for initial diagnosisP277D relates to electric/auxiliary transmission fluid pump b motor over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P28C9Clutch A Motor OverspeedUrgentTransmission Issues30–120 minutes for initial diagnosisP28C9 relates to clutch a motor overspeed. 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.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.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.