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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.

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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

Code family

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 337–360 of 9253

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C0521Multi-axis Acceleration Sensor Module B Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0521 concerns multi-axis acceleration sensor module b range/performance. Learn what this fault indicates and where to begin diagnosis.C0522Multi-axis Acceleration Sensor Module B Missing CalibrationCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0522 concerns multi-axis acceleration sensor module b missing calibration. Learn what this fault indicates and where to begin diagnosis.C0523Multi-axis Acceleration Sensor Module B Intermittent/ErraticCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0523 concerns multi-axis acceleration sensor module b intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.C0524Multi-axis Acceleration Sensor Module B CorrelationCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0524 concerns multi-axis acceleration sensor module b correlation. Learn what this fault indicates and where to begin diagnosis.C0525Multi-axis Acceleration Sensor Module BCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0525 concerns multi-axis acceleration sensor module b. Learn what this fault indicates and where to begin diagnosis.C0526Steering Angle Sensor ModuleUrgentChassis & Brakes45–120 minutes for initial diagnosisC0526 concerns steering angle sensor module. Learn what this fault indicates and where to begin diagnosis.C0527Steering Angle Sensor Module MechanicalUrgentChassis & Brakes45–120 minutes for initial diagnosisC0527 concerns steering angle sensor module mechanical. Learn what this fault indicates and where to begin diagnosis.C0528Steering Angle Sensor Module Range/PerformanceUrgentChassis & Brakes45–120 minutes for initial diagnosisC0528 concerns steering angle sensor module range/performance. Learn what this fault indicates and where to begin diagnosis.C0529Steering Angle Sensor Module Missing CalibrationUrgentChassis & Brakes45–120 minutes for initial diagnosisC0529 concerns steering angle sensor module missing calibration. Learn what this fault indicates and where to begin diagnosis.C052ASteering Angle Sensor Module CorrelationUrgentChassis & Brakes45–120 minutes for initial diagnosisC052A concerns steering angle sensor module correlation. Learn what this fault indicates and where to begin diagnosis.C052BABS Pump Motor Control Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC052B concerns abs pump motor control range/performance. Learn what this fault indicates and where to begin diagnosis.C052CABS Pump Motor Control Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC052C concerns abs pump motor control circuit/open. Learn what this fault indicates and where to begin diagnosis.C052DABS Pump Motor Control Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC052D concerns abs pump motor control circuit high. Learn what this fault indicates and where to begin diagnosis.C052EABS Pump Motor Control Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC052E concerns abs pump motor control circuit low. Learn what this fault indicates and where to begin diagnosis.C052FABS Pump Motor Supply Voltage Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC052F concerns abs pump motor supply voltage circuit/open. Learn what this fault indicates and where to begin diagnosis.C0530Motor Control A Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0530 concerns motor control a range/performance. Learn what this fault indicates and where to begin diagnosis.C0531Motor Control A Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0531 concerns motor control a circuit/open. Learn what this fault indicates and where to begin diagnosis.C0532Motor Control A Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0532 concerns motor control a circuit high. Learn what this fault indicates and where to begin diagnosis.C0533Motor Control A Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0533 concerns motor control a circuit low. Learn what this fault indicates and where to begin diagnosis.C0534Motor Control A Supply Voltage Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0534 concerns motor control a supply voltage circuit/open. Learn what this fault indicates and where to begin diagnosis.C0535Motor Control B Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0535 concerns motor control b range/performance. Learn what this fault indicates and where to begin diagnosis.C0536Motor Control B Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0536 concerns motor control b circuit/open. Learn what this fault indicates and where to begin diagnosis.C0537Motor Control B Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0537 concerns motor control b circuit high. Learn what this fault indicates and where to begin diagnosis.C0538Motor Control B Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0538 concerns motor control b circuit low. Learn what this fault indicates and where to begin diagnosis.