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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

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 169–192 of 479

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C0545VIN Not Programmed or Incompatible - BSCMCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0545 concerns vin not programmed or incompatible - bscm. Learn what this fault indicates and where to begin diagnosis.C0546VIN Not Programmed or IncompatibleCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0546 concerns vin not programmed or incompatible. Learn what this fault indicates and where to begin diagnosis.C0547Vacuum Sensor Supply Voltage Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0547 concerns vacuum sensor supply voltage circuit/open. Learn what this fault indicates and where to begin diagnosis.C0548Vacuum Sensor Supply Voltage LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0548 concerns vacuum sensor supply voltage low. Learn what this fault indicates and where to begin diagnosis.C0549Vacuum Sensor A Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0549 concerns vacuum sensor a circuit/open. Learn what this fault indicates and where to begin diagnosis.C054AVacuum Sensor A Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC054A concerns vacuum sensor a range/performance. Learn what this fault indicates and where to begin diagnosis.C054BVacuum Sensor A Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC054B concerns vacuum sensor a circuit low. Learn what this fault indicates and where to begin diagnosis.C054CVacuum Sensor A Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC054C concerns vacuum sensor a circuit high. Learn what this fault indicates and where to begin diagnosis.C054DVacuum Sensor B Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC054D concerns vacuum sensor b circuit/open. Learn what this fault indicates and where to begin diagnosis.C054EVacuum Sensor B Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC054E concerns vacuum sensor b range/performance. Learn what this fault indicates and where to begin diagnosis.C054FVacuum Sensor B Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC054F concerns vacuum sensor b circuit low. Learn what this fault indicates and where to begin diagnosis.C0550Vacuum Sensor B Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0550 concerns vacuum sensor b circuit high. Learn what this fault indicates and where to begin diagnosis.C0551Longitudinal Acceleration Sensor Circuit/OpenCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0551 concerns longitudinal acceleration sensor circuit/open. Learn what this fault indicates and where to begin diagnosis.C0552Longitudinal Acceleration Sensor Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0552 concerns longitudinal acceleration sensor range/performance. Learn what this fault indicates and where to begin diagnosis.C0553Longitudinal Acceleration Sensor Circuit LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0553 concerns longitudinal acceleration sensor circuit low. Learn what this fault indicates and where to begin diagnosis.C0554Longitudinal Acceleration Sensor Circuit HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0554 concerns longitudinal acceleration sensor circuit high. Learn what this fault indicates and where to begin diagnosis.C0555Left Front Wheel Speed Sensor A Incorrect Component InstalledCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0555 concerns left front wheel speed sensor a incorrect component installed. Learn what this fault indicates and where to begin diagnosis.C0556Right Front Wheel Speed Sensor A Incorrect Component InstalledCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0556 concerns right front wheel speed sensor a incorrect component installed. Learn what this fault indicates and where to begin diagnosis.C0557Left Rear Wheel Speed Sensor A Incorrect Component InstalledCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0557 concerns left rear wheel speed sensor a incorrect component installed. Learn what this fault indicates and where to begin diagnosis.C0558Right Rear Wheel Speed Sensor A Incorrect Component InstalledCheck soonChassis & Brakes45–120 minutes for initial diagnosisC0558 concerns right rear wheel speed sensor a incorrect component installed. Learn what this fault indicates and where to begin diagnosis.C0559Power Steering Control Module Range/Performance – RearUrgentChassis & Brakes45–120 minutes for initial diagnosisC0559 concerns power steering control module range/performance – rear. Learn what this fault indicates and where to begin diagnosis.C055AABS Pump Motor Supply Voltage Circuit A HighCheck soonChassis & Brakes45–120 minutes for initial diagnosisC055A concerns abs pump motor supply voltage circuit a high. Learn what this fault indicates and where to begin diagnosis.C055BABS Pump Motor Supply Voltage Circuit A LowCheck soonChassis & Brakes45–120 minutes for initial diagnosisC055B concerns abs pump motor supply voltage circuit a low. Learn what this fault indicates and where to begin diagnosis.C055CABS Pump Motor Supply Voltage Circuit A Range/PerformanceCheck soonChassis & Brakes45–120 minutes for initial diagnosisC055C concerns abs pump motor supply voltage circuit a range/performance. Learn what this fault indicates and where to begin diagnosis.