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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 961–984 of 1939
P220ENOx Sensor Heater Control Circuit Range/Performance Bank 1 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP220FNOx Sensor Heater Control Circuit Range/Performance Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2210NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2211NOx Sensor Heater Sense Circuit High Bank 1 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2212NOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2213NOx Sensor Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2214NOx Sensor Circuit Range/Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2215NOx Sensor Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2216NOx Sensor Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2217NOx Sensor Circuit Intermittent Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2218NOx Sensor Heater Control Circuit/Open Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2219NOx Sensor Heater Control Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP221ANOx Sensor 1/2 Correlation Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP221BNOx Sensor 1/2 Correlation Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP221CReductant Heater B Current Too LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP221DReductant Heater B Current Too HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP221EReductant Heater C Current Too LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP221FReductant Heater C Current Too HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2220NOx Sensor Heater Control Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2221NOx Sensor Heater Sense Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2222NOx Sensor Heater Sense Circuit Range/Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2223NOx Sensor Heater Sense Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2224NOx Sensor Heater Sense Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2225NOx Sensor Heater Sense Circuit Intermittent Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosis