Diagnostic library
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9,253 diagnostic guides
Find codes by symptomChoose what you notice to search matching code guides.
Rough idle or shakingVibration while stoppedHard to startLong cranking or no-startEngine stallsCuts out at idle or on the roadHesitates or loses powerSlow response when acceleratingBattery light is onCharging system warningHarsh 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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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.
Diagnostic codes
Showing 337–360 of 1228
U0265Lost Communication With Image Processing Sensor ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0266Lost Communication With Image Processing Sensor BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0267Lost Communication With Image Processing Sensor CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0268Lost Communication With Image Processing Sensor DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0269Lost Communication With Image Processing Sensor ECheck soonNetwork & Communication45–120 minutes for initial diagnosisU026ALost Communication With Image Processing Sensor FCheck soonNetwork & Communication45–120 minutes for initial diagnosisU026BLost Communication With Image Processing Sensor GCheck soonNetwork & Communication45–120 minutes for initial diagnosisU026CLost Communication With Image Processing Sensor HCheck soonNetwork & Communication45–120 minutes for initial diagnosisU026DLost Communication With Image Processing Sensor ICheck soonNetwork & Communication45–120 minutes for initial diagnosisU026ELost Communication With Image Processing Sensor JCheck soonNetwork & Communication45–120 minutes for initial diagnosisU026FLost Communication With Image Processing Sensor KCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0270Lost Communication With Image Processing Sensor LCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0271Lost Communication With Seat Control Switch Module CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0272Lost Communication With Seat Control Switch Module DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0273Lost Communication With Lighting Driver Control Module “A”Check soonNetwork & Communication45–120 minutes for initial diagnosisU0274Lost Communication With Lighting Driver Control Module “B”Check soonNetwork & Communication45–120 minutes for initial diagnosisU0275Lost Communication With Lighting Driver Control Module “C”Check soonNetwork & Communication45–120 minutes for initial diagnosisU0276Lost Communication With Lighting Driver Control Module “D”Check soonNetwork & Communication45–120 minutes for initial diagnosisU0277Lost Communication With Seat Control Module KCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0278Lost Communication With Seat Control Module LCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0279Lost Communication with Haptic Control ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU027ALost Communication With Battery Charger Control Module CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU027BLost Communication with Battery Charger Control Module DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU027CLost Communication With Off-Board Charger Control ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosis