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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

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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 25–48 of 50

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P26CEEngine Coolant Pump Overspeed/Air In SystemUrgentEngine Problems30–120 minutes for initial diagnosisP26CE relates to engine coolant pump overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D2Engine Coolant Pump Control Module Over TemperatureUrgentEngine Problems30–120 minutes for initial diagnosisP26D2 relates to engine coolant pump control module over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P26FACoolant Pump C Overspeed/Air in SystemUrgentEngine Problems30–120 minutes for initial diagnosisP26FA relates to coolant pump c overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B2AHybrid/EV Electronics Coolant Pump A Overspeed - Dry RunUrgentEngine Problems30–120 minutes for initial diagnosisP2B2A relates to hybrid/ev electronics coolant pump a overspeed - dry run. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B65Coolant Pump B Overspeed/Air in SystemUrgentEngine Problems30–120 minutes for initial diagnosisP2B65 relates to coolant pump b overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B6CCoolant Pump D Overspeed/Air in SystemUrgentEngine Problems30–120 minutes for initial diagnosisP2B6C relates to coolant pump d overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B83Charge Air Cooler Coolant Pump A Overspeed/Air In SystemUrgentEngine Problems30–120 minutes for initial diagnosisP2B83 relates to charge air cooler coolant pump a overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B86Coolant Pump A Overspeed/Air in SystemUrgentEngine Problems30–120 minutes for initial diagnosisP2B86 relates to coolant pump a overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2C67Hybrid/EV Electronics Coolant Pump A OverspeedUrgentEngine Problems30–120 minutes for initial diagnosisP2C67 relates to hybrid/ev electronics coolant pump a overspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CB1Charge Air Cooler Coolant Pump B Overspeed/Air In SystemUrgentEngine Problems30–120 minutes for initial diagnosisP2CB1 relates to charge air cooler coolant pump b overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CBAFan 2 OverspeedUrgentEngine Problems30–120 minutes for initial diagnosisP2CBA relates to fan 2 overspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CBCFan 3 OverspeedUrgentEngine Problems30–120 minutes for initial diagnosisP2CBC relates to fan 3 overspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D01Motor Electronics Coolant Pump A Overspeed/Air in SystemUrgentEngine Problems30–120 minutes for initial diagnosisP2D01 relates to motor electronics coolant pump a overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D06Motor Electronics Coolant Pump B Overspeed/Air in SystemUrgentEngine Problems30–120 minutes for initial diagnosisP2D06 relates to motor electronics coolant pump b overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D0BMotor Electronics Coolant Pump C Overspeed/Air in SystemUrgentEngine Problems30–120 minutes for initial diagnosisP2D0B relates to motor electronics coolant pump c overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D87Fan 1 Control Module Over TemperatureUrgentEngine Problems30–120 minutes for initial diagnosisP2D87 relates to fan 1 control module over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D8AFan 2 Control Module Over TemperatureUrgentEngine Problems30–120 minutes for initial diagnosisP2D8A relates to fan 2 control module over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DA6Coolant Heater A Over TemperatureUrgentEngine Problems30–120 minutes for initial diagnosisP2DA6 relates to coolant heater a over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DF7Coolant Pump E Overspeed/Air in SystemUrgentEngine Problems30–120 minutes for initial diagnosisP2DF7 relates to coolant pump e overspeed/air in system. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E46Hybrid/EV Electronics Coolant Pump B Overspeed - Dry RunUrgentEngine Problems30–120 minutes for initial diagnosisP2E46 relates to hybrid/ev electronics coolant pump b overspeed - dry run. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E48Hybrid/EV Electronics Coolant Pump B OverspeedUrgentEngine Problems30–120 minutes for initial diagnosisP2E48 relates to hybrid/ev electronics coolant pump b overspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E7AHybrid/EV Electronics Coolant Pump C OverspeedUrgentEngine Problems30–120 minutes for initial diagnosisP2E7A relates to hybrid/ev electronics coolant pump c overspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E82Cold Start Engine Coolant Pump OverspeedUrgentEngine Problems30–120 minutes for initial diagnosisP2E82 relates to cold start engine coolant pump overspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P0017Crankshaft Position–Camshaft Position Correlation Bank 1 Sensor BUrgentEngine Problems1–3 hours for initial diagnosisP0017 means Crankshaft Position–Camshaft Position Correlation Bank 1 Sensor B. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.