Diagnostic library

Find an OBD2 code

Search the code from your scanner, then narrow the library by system, severity, or code family.

9,253 diagnostic guides

Sort

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.

Quick browse

Choose a vehicle system

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 529–552 of 9253

Most searched first

C05E14WD/AWD Clutch A Position Sensor Circuit Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05E1 concerns 4wd/awd clutch a position sensor circuit range/performance. Learn what this fault indicates and where to begin diagnosis.C05E24WD/AWD Clutch A Position Sensor Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05E2 concerns 4wd/awd clutch a position sensor circuit low. Learn what this fault indicates and where to begin diagnosis.C05E34WD/AWD Clutch A Position Sensor Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05E3 concerns 4wd/awd clutch a position sensor circuit high. Learn what this fault indicates and where to begin diagnosis.C05E44WD/AWD Clutch A Position Sensor Circuit IntermittentCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05E4 concerns 4wd/awd clutch a position sensor circuit intermittent. Learn what this fault indicates and where to begin diagnosis.C05E54WD/AWD Clutch A Position Not LearnedCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05E5 concerns 4wd/awd clutch a position not learned. Learn what this fault indicates and where to begin diagnosis.C05E64WD/AWD Clutch A Position Control ErrorCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05E6 concerns 4wd/awd clutch a position control error. Learn what this fault indicates and where to begin diagnosis.C05E74WD/AWD Clutch B Actuator Control Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05E7 concerns 4wd/awd clutch b actuator control circuit/open. Learn what this fault indicates and where to begin diagnosis.C05E84WD/AWD Clutch B Actuator Control Circuit PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05E8 concerns 4wd/awd clutch b actuator control circuit performance. Learn what this fault indicates and where to begin diagnosis.C05E94WD/AWD Clutch B Actuator Control Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05E9 concerns 4wd/awd clutch b actuator control circuit low. Learn what this fault indicates and where to begin diagnosis.C05EA4WD/AWD Clutch B Actuator Control Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05EA concerns 4wd/awd clutch b actuator control circuit high. Learn what this fault indicates and where to begin diagnosis.C05EB4WD/AWD Clutch B Temperature Too HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05EB concerns 4wd/awd clutch b temperature too high. Learn what this fault indicates and where to begin diagnosis.C05EC4WD/AWD Clutch B Performance/Stuck DisengagedCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05EC concerns 4wd/awd clutch b performance/stuck disengaged. Learn what this fault indicates and where to begin diagnosis.C05ED4WD/AWD Clutch B Stuck EngagedCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05ED concerns 4wd/awd clutch b stuck engaged. Learn what this fault indicates and where to begin diagnosis.C05EE4WD/AWD Clutch B Engagement FaultCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05EE concerns 4wd/awd clutch b engagement fault. Learn what this fault indicates and where to begin diagnosis.C05EF4WD/AWD Clutch B Position Control ErrorCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05EF concerns 4wd/awd clutch b position control error. Learn what this fault indicates and where to begin diagnosis.C05F0Rear Drive Shaft Speed Sensor Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05F0 concerns rear drive shaft speed sensor circuit low. Learn what this fault indicates and where to begin diagnosis.C05F1Rear Drive Shaft Speed Sensor Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05F1 concerns rear drive shaft speed sensor circuit high. Learn what this fault indicates and where to begin diagnosis.C05F2Rear Drive Shaft Speed Sensor Circuit IntermittentCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05F2 concerns rear drive shaft speed sensor circuit intermittent. Learn what this fault indicates and where to begin diagnosis.C05F3Rear Drive Shaft Speed Sensor CircuitCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05F3 concerns rear drive shaft speed sensor circuit. Learn what this fault indicates and where to begin diagnosis.C05F4Rear Drive Shaft Speed Sensor Circuit Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05F4 concerns rear drive shaft speed sensor circuit range/performance. Learn what this fault indicates and where to begin diagnosis.C05F54WD/AWD Range Actuator Control Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05F5 concerns 4wd/awd range actuator control circuit/open. Learn what this fault indicates and where to begin diagnosis.C05F64WD/AWD Range Actuator Control Circuit PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05F6 concerns 4wd/awd range actuator control circuit performance. Learn what this fault indicates and where to begin diagnosis.C05F74WD/AWD Range Actuator Control Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05F7 concerns 4wd/awd range actuator control circuit low. Learn what this fault indicates and where to begin diagnosis.C05F84WD/AWD Range Actuator Control Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC05F8 concerns 4wd/awd range actuator control circuit high. Learn what this fault indicates and where to begin diagnosis.