Diagnostic library
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Search the code from your scanner, then narrow the library by system, severity, or code family.
9,253 diagnostic guides
Find codes by symptomChoose what you notice to search matching code guides.
Rough idle or shakingVibration while stoppedHard to startLong cranking or no-startEngine stallsCuts out at idle or on the roadHesitates or loses powerSlow response when acceleratingBattery light is onCharging system warningHarsh 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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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.
Diagnostic codes
Showing 433–456 of 2110
P056FCold Start Turbocharger/Supercharger Boost Control B PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0570Cruise Control Accel Signal MalfunctionLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0571Brake Switch A Circuit MalfunctionUrgentSensors & Electronics30–120 minutes for initial diagnosisP0572Brake Switch A Circuit LowUrgentSensors & Electronics30–120 minutes for initial diagnosisP0573Brake Switch A Circuit HighUrgentSensors & Electronics30–120 minutes for initial diagnosisP0574Cruise Control System - Vehicle Speed Too HighLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0575Cruise Control Input CircuitLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0576Cruise Control Input Circuit LowLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0577Cruise Control Input Circuit HighLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0578Cruise Control Multi-Function Input A Circuit StuckLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0579Cruise Control Multi-Function Input A Circuit Range/PerformanceLow prioritySensors & Electronics30–120 minutes for initial diagnosisP057ABrake Pedal Position Sensor A Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP057BBrake Pedal Position Sensor A Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP057CBrake Pedal Position Sensor A Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP057DBrake Pedal Position Sensor A Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP057EBrake Pedal Position Sensor A Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0580Cruise Control Multi-Function Input A Circuit LowLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0581Cruise Control Multi-Function Input A Circuit HighLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0582Cruise Control Vacuum Control Circuit/OpenLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0583Cruise Control Vacuum Control Circuit LowLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0584Cruise Control Vacuum Control Circuit HighLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0585Cruise Control Multi-Function Input A/B CorrelationLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0586Cruise Control Vent Control Circuit/OpenLow prioritySensors & Electronics30–120 minutes for initial diagnosisP0587Cruise Control Vent Control Circuit LowLow prioritySensors & Electronics30–120 minutes for initial diagnosis