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

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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.

Network & Communication U · Network Clear all

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

Vehicle coverage

These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 265–288 of 1228

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U0212Lost Communication With Steering Column Control ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0212 concerns lost communication with steering column control module. Learn what this fault indicates and where to begin diagnosis.U0213Lost Communication With Mirror Control Module ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0213 concerns lost communication with mirror control module a. Learn what this fault indicates and where to begin diagnosis.U0214Lost Communication With Remote Function Actuation ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0214 concerns lost communication with remote function actuation module. Learn what this fault indicates and where to begin diagnosis.U0215Lost Communication With Door Switch ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0215 concerns lost communication with door switch a. Learn what this fault indicates and where to begin diagnosis.U0216Lost Communication With Door Switch BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0216 concerns lost communication with door switch b. Learn what this fault indicates and where to begin diagnosis.U0217Lost Communication With Door Switch CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0217 concerns lost communication with door switch c. Learn what this fault indicates and where to begin diagnosis.U0218Lost Communication With Door Switch DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0218 concerns lost communication with door switch d. Learn what this fault indicates and where to begin diagnosis.U0219Lost Communication With Door Switch ECheck soonNetwork & Communication45–120 minutes for initial diagnosisU0219 concerns lost communication with door switch e. Learn what this fault indicates and where to begin diagnosis.U0220Lost Communication With Door Switch FCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0220 concerns lost communication with door switch f. Learn what this fault indicates and where to begin diagnosis.U0221Lost Communication With Door Switch GCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0221 concerns lost communication with door switch g. Learn what this fault indicates and where to begin diagnosis.U0222Lost Communication With Door Window Motor ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0222 concerns lost communication with door window motor a. Learn what this fault indicates and where to begin diagnosis.U0223Lost Communication With Door Window Motor BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0223 concerns lost communication with door window motor b. Learn what this fault indicates and where to begin diagnosis.U0224Lost Communication With Door Window Motor CCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0224 concerns lost communication with door window motor c. Learn what this fault indicates and where to begin diagnosis.U0225Lost Communication With Door Window Motor DCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0225 concerns lost communication with door window motor d. Learn what this fault indicates and where to begin diagnosis.U0226Lost Communication With Door Window Motor ECheck soonNetwork & Communication45–120 minutes for initial diagnosisU0226 concerns lost communication with door window motor e. Learn what this fault indicates and where to begin diagnosis.U0227Lost Communication With Door Window Motor FCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0227 concerns lost communication with door window motor f. Learn what this fault indicates and where to begin diagnosis.U0228Lost Communication With Door Window Motor GCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0228 concerns lost communication with door window motor g. Learn what this fault indicates and where to begin diagnosis.U0229Lost Communication With Heated Steering Wheel ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0229 concerns lost communication with heated steering wheel module. Learn what this fault indicates and where to begin diagnosis.U022ELost Communication With Object Detection Maintenance Control Module ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU022E concerns lost communication with object detection maintenance control module a. Learn what this fault indicates and where to begin diagnosis.U022FLost Communication With Object Detection Maintenance Control Module BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU022F concerns lost communication with object detection maintenance control module b. Learn what this fault indicates and where to begin diagnosis.U0230Lost Communication With Rear Gate ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0230 concerns lost communication with rear gate module. Learn what this fault indicates and where to begin diagnosis.U0231Lost Communication With Rain Sensing ModuleCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0231 concerns lost communication with rain sensing module. Learn what this fault indicates and where to begin diagnosis.U0232Lost Communication With Side Obstacle Detection Control Module ACheck soonNetwork & Communication45–120 minutes for initial diagnosisU0232 concerns lost communication with side obstacle detection control module a. Learn what this fault indicates and where to begin diagnosis.U0233Lost Communication With Side Obstacle Detection Control Module BCheck soonNetwork & Communication45–120 minutes for initial diagnosisU0233 concerns lost communication with side obstacle detection control module b. Learn what this fault indicates and where to begin diagnosis.