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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 3745–3768 of 6682
P22ACO2 Sensor Positive Current Control Circuit Low Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22ADO2 Sensor Positive Current Control Circuit High Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22AEO2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 2Check soonElectrical & Charging System30–120 minutes for initial diagnosisP22AFO2 Sensor Reference Voltage Performance Bank 1 Sensor 2Check soonElectrical & Charging System30–120 minutes for initial diagnosisP22B0O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 2Check soonElectrical & Charging System30–120 minutes for initial diagnosisP22B1O2 Sensor Reference Voltage Circuit High Bank 1 Sensor 2Check soonElectrical & Charging System30–120 minutes for initial diagnosisP22B2O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22B3O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22B4O2 Sensor Negative Current Control Circuit High Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22B5O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22B6O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22B7O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22B8O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22B9O2 Sensor Positive Current Control Circuit Low Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22BAO2 Sensor Positive Current Control Circuit High Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22BBO2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 2Check soonElectrical & Charging System30–120 minutes for initial diagnosisP22BCO2 Sensor Reference Voltage Performance Bank 2 Sensor 2Check soonElectrical & Charging System30–120 minutes for initial diagnosisP22BDO2 Sensor Reference Voltage Circuit Low Bank 2 Sensor 2Check soonElectrical & Charging System30–120 minutes for initial diagnosisP22BEO2 Sensor Reference Voltage Circuit High Bank 2 Sensor 2Check soonElectrical & Charging System30–120 minutes for initial diagnosisP22BFO2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22C0O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22C1O2 Sensor Negative Current Control Circuit High Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22C2O2 Sensor Pumping Current Trim Circuit/Open Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22C3O2 Sensor Pumping Current Trim Circuit Low Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosis