Diagnostic library
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Search the code from your scanner, then narrow the library by system, severity, or code family.
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 697–720 of 1223
U0514Invalid Data Received From Mirror Control Module ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0515Invalid Data Received From Remote Function Actuation ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0516Invalid Data Received From Door Switch ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0517Invalid Data Received From Door Switch BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0518Invalid Data Received From Door Switch CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0519Invalid Data Received From Door Switch DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU051AInvalid Data Received From Door Switch ECheck soonNetwork & Communication45–120 minutes for initial diagnosisU0521Invalid Data Received From Door Switch FCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0522Invalid Data Received From Door Switch GCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0523Invalid Data Received From Door Window Motor ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0524Invalid Data Received From Door Window Motor BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0525Invalid Data Received From Door Window Motor CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0526Invalid Data Received From Door Window Motor DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0527Invalid Data Received From Door Window Motor ECheck soonNetwork & Communication45–120 minutes for initial diagnosisU0528Invalid Data Received From Door Window Motor FCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0529Invalid Data Received From Door Window Motor GCheck soonNetwork & Communication45–120 minutes for initial diagnosisU052AInvalid Data Received From Heated Steering Wheel ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU052FInvalid Data Received From Object Detection Maintenance Control Module ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0530Invalid Data Received From Object Detection Maintenance Control Module BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0531Invalid Data Received From Rear Gate ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0532Invalid Data Received From Rain Sensing ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0533Invalid Data Received From Side Obstacle Detection Control Module ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0534Invalid Data Received From Side Obstacle Detection Control Module BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0535Invalid Data Received From Convenience Recall ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosis