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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 4177–4200 of 6682
P2475Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 4Check soonEmissions System30–120 minutes for initial diagnosisP2476Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 4Check soonEmissions System30–120 minutes for initial diagnosisP2477Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 4Check soonEmissions System30–120 minutes for initial diagnosisP2478Exhaust Gas Temperature Out of Range Bank 1 Sensor 1Check soonEmissions System30–120 minutes for initial diagnosisP2479Exhaust Gas Temperature Out of Range Bank 1 Sensor 2Check soonEmissions System30–120 minutes for initial diagnosisP247AExhaust Gas Temperature Out of Range Bank 1 Sensor 3Check soonEmissions System30–120 minutes for initial diagnosisP247BExhaust Gas Temperature Out of Range Bank 1 Sensor 4Check soonEmissions System30–120 minutes for initial diagnosisP247CExhaust Gas Temperature Out of Range Bank 2 Sensor 1Check soonEmissions System30–120 minutes for initial diagnosisP247DExhaust Gas Temperature Out of Range Bank 2 Sensor 2Check soonEmissions System30–120 minutes for initial diagnosisP247EExhaust Gas Temperature Out of Range Bank 2 Sensor 3Check soonEmissions System30–120 minutes for initial diagnosisP247FExhaust Gas Temperature Out of Range Bank 2 Sensor 4Check soonEmissions System30–120 minutes for initial diagnosisP2480Exhaust Gas Temperature Sensor Circuit/Open Bank 1 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP2481Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP2482Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP2483Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP2484Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP2485Exhaust Gas Temperature Sensor Circuit/Open Bank 2 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP2486Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP2487Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP2488Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP2489Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5Check soonEmissions System30–120 minutes for initial diagnosisP248AReductant Heater A Sense Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP248BReductant Heater A Sense Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP248CReductant Heater B Sense Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosis