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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 145–168 of 479

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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.C0539Motor Control B Supply Voltage Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0539 concerns motor control b supply voltage circuit/open. Learn what this fault indicates and where to begin diagnosis.C053AABS Valves Missing CalibrationCheck soonChassis & Brakes45–120 minutes for initial diagnosisC053A concerns abs valves missing calibration. Learn what this fault indicates and where to begin diagnosis.C053BABS Valves Supply Voltage Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC053B concerns abs valves supply voltage circuit/open. Learn what this fault indicates and where to begin diagnosis.C053CWheel Speed Sensor Generic Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC053C concerns wheel speed sensor generic range/performance. Learn what this fault indicates and where to begin diagnosis.C053DBrake Pressure Sensor A Range/PerformanceUrgentChassis & Brakes45–120 minutes for initial diagnosisC053D concerns brake pressure sensor a range/performance. Learn what this fault indicates and where to begin diagnosis.C053EBrake Pressure Sensor A Circuit LowUrgentChassis & Brakes45–120 minutes for initial diagnosisC053E concerns brake pressure sensor a circuit low. Learn what this fault indicates and where to begin diagnosis.C053FBrake Pressure Sensor A Circuit HighUrgentChassis & Brakes45–120 minutes for initial diagnosisC053F concerns brake pressure sensor a circuit high. Learn what this fault indicates and where to begin diagnosis.C0540Brake Pressure Sensor A Circuit/OpenUrgentChassis & Brakes45–120 minutes for initial diagnosisC0540 concerns brake pressure sensor a circuit/open. Learn what this fault indicates and where to begin diagnosis.C0541Brake Pressure Sensor B Range/PerformanceUrgentChassis & Brakes45–120 minutes for initial diagnosisC0541 concerns brake pressure sensor b range/performance. Learn what this fault indicates and where to begin diagnosis.C0542Brake Pressure Sensor B Circuit LowUrgentChassis & Brakes45–120 minutes for initial diagnosisC0542 concerns brake pressure sensor b circuit low. Learn what this fault indicates and where to begin diagnosis.C0543Brake Pressure Sensor B Circuit HighUrgentChassis & Brakes45–120 minutes for initial diagnosisC0543 concerns brake pressure sensor b circuit high. Learn what this fault indicates and where to begin diagnosis.C0544Brake Pressure Sensor B Circuit/OpenUrgentChassis & Brakes45–120 minutes for initial diagnosisC0544 concerns brake pressure sensor b circuit/open. Learn what this fault indicates and where to begin diagnosis.