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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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All severities9253 Low priority305 Check soon8256 Urgent621

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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 121–144 of 212

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C05C2Brake Booster Motor A Over TemperatureUrgentChassis & Brakes45–120 minutes for initial diagnosisC05C2 concerns brake booster motor a over temperature. Learn what this fault indicates and where to begin diagnosis.C05C3Brake Booster Motor A Supply CircuitUrgentChassis & Brakes45–120 minutes for initial diagnosisC05C3 concerns brake booster motor a supply circuit. Learn what this fault indicates and where to begin diagnosis.C05C4Brake Pressure Sensor F Missing CalibrationUrgentChassis & Brakes45–120 minutes for initial diagnosisC05C4 concerns brake pressure sensor f missing calibration. Learn what this fault indicates and where to begin diagnosis.C05C5Brake Pressure Sensor F Circuit Range/PerformanceUrgentChassis & Brakes45–120 minutes for initial diagnosisC05C5 concerns brake pressure sensor f circuit range/performance. Learn what this fault indicates and where to begin diagnosis.C05C6Brake Pressure Sensor F Circuit LowUrgentChassis & Brakes45–120 minutes for initial diagnosisC05C6 concerns brake pressure sensor f circuit low. Learn what this fault indicates and where to begin diagnosis.C05C7Brake Pressure Sensor F Circuit HighUrgentChassis & Brakes45–120 minutes for initial diagnosisC05C7 concerns brake pressure sensor f circuit high. Learn what this fault indicates and where to begin diagnosis.C05C8Brake Pressure Sensor F Circuit/OpenUrgentChassis & Brakes45–120 minutes for initial diagnosisC05C8 concerns brake pressure sensor f circuit/open. Learn what this fault indicates and where to begin diagnosis.C05C9Brake Pressure Sensor Supply CircuitUrgentChassis & Brakes45–120 minutes for initial diagnosisC05C9 concerns brake pressure sensor supply circuit. Learn what this fault indicates and where to begin diagnosis.C05CABrake Master Cylinder Piston Position Sensor A Circuit Voltage HighUrgentChassis & Brakes45–120 minutes for initial diagnosisC05CA concerns brake master cylinder piston position sensor a circuit voltage high. Learn what this fault indicates and where to begin diagnosis.C05CBBrake Master Cylinder Piston Position Sensor A Circuit Voltage LowUrgentChassis & Brakes45–120 minutes for initial diagnosisC05CB concerns brake master cylinder piston position sensor a circuit voltage low. Learn what this fault indicates and where to begin diagnosis.C05CCBrake Master Cylinder Piston Position Sensor A Circuit Range/PerformanceUrgentChassis & Brakes45–120 minutes for initial diagnosisC05CC concerns brake master cylinder piston position sensor a circuit range/performance. Learn what this fault indicates and where to begin diagnosis.C05CDBrake Master Cylinder Piston Position Sensor B Circuit Voltage HighUrgentChassis & Brakes45–120 minutes for initial diagnosisC05CD concerns brake master cylinder piston position sensor b circuit voltage high. Learn what this fault indicates and where to begin diagnosis.C05CEBrake Master Cylinder Piston Position Sensor B Circuit Voltage LowUrgentChassis & Brakes45–120 minutes for initial diagnosisC05CE concerns brake master cylinder piston position sensor b circuit voltage low. Learn what this fault indicates and where to begin diagnosis.C05CFBrake Master Cylinder Piston Position Sensor B Circuit Range/PerformanceUrgentChassis & Brakes45–120 minutes for initial diagnosisC05CF concerns brake master cylinder piston position sensor b circuit range/performance. Learn what this fault indicates and where to begin diagnosis.C05D0Brake Master Cylinder Piston Position Sensor A/B CorrelationUrgentChassis & Brakes45–120 minutes for initial diagnosisC05D0 concerns brake master cylinder piston position sensor a/b correlation. Learn what this fault indicates and where to begin diagnosis.C05D1Brake Master Cylinder Piston Position Sensor Supply CircuitUrgentChassis & Brakes45–120 minutes for initial diagnosisC05D1 concerns brake master cylinder piston position sensor supply circuit. Learn what this fault indicates and where to begin diagnosis.C05D4Brake Master Cylinder Piston Position Sensor Calibration Not LearnedUrgentChassis & Brakes45–120 minutes for initial diagnosisC05D4 concerns brake master cylinder piston position sensor calibration not learned. Learn what this fault indicates and where to begin diagnosis.C05D5Brake Master Cylinder Cut Off ValveUrgentChassis & Brakes45–120 minutes for initial diagnosisC05D5 concerns brake master cylinder cut off valve. Learn what this fault indicates and where to begin diagnosis.C05D6Power Steering Control Module Processor PerformanceUrgentChassis & Brakes45–120 minutes for initial diagnosisC05D6 concerns power steering control module processor performance. Learn what this fault indicates and where to begin diagnosis.C05D7Brake Transmission Shift Interlock (BTSI) Control CircuitUrgentChassis & Brakes45–120 minutes for initial diagnosisC05D7 concerns brake transmission shift interlock (btsi) control circuit. Learn what this fault indicates and where to begin diagnosis.C0605Steering Wheel Angle Sensor Circuit/OpenUrgentChassis & Brakes45–120 minutes for initial diagnosisC0605 concerns steering wheel angle sensor circuit/open. Learn what this fault indicates and where to begin diagnosis.C0606Steering Wheel Angle Sensor Circuit LowUrgentChassis & Brakes45–120 minutes for initial diagnosisC0606 concerns steering wheel angle sensor circuit low. Learn what this fault indicates and where to begin diagnosis.C0607Steering Wheel Angle Sensor Circuit HighUrgentChassis & Brakes45–120 minutes for initial diagnosisC0607 concerns steering wheel angle sensor circuit high. Learn what this fault indicates and where to begin diagnosis.C0608Steering Wheel Angle Sensor Circuit PerformanceUrgentChassis & Brakes45–120 minutes for initial diagnosisC0608 concerns steering wheel angle sensor circuit performance. Learn what this fault indicates and where to begin diagnosis.