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9,253 diagnostic guides

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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.

Urgent P · Powertrain Clear all

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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 265–288 of 302

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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.P2C75Active Grille Air Shutter Module C Over TemperatureUrgentSensors & Electronics30–120 minutes for initial diagnosisP2C75 relates to active grille air shutter module c over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2C78Active Grille Air Shutter Module D Over TemperatureUrgentSensors & Electronics30–120 minutes for initial diagnosisP2C78 relates to active grille air shutter module d over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2C80AIR System Pump Overspeed Bank 1UrgentSensors & Electronics30–120 minutes for initial diagnosisP2C80 relates to air system pump overspeed bank 1. 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.P2CF6Hybrid/EV Battery Pack Coolant Pump B Overspeed /Air in SystemUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2CF6 relates to hybrid/ev battery pack coolant pump b overspeed /air in system. 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.P2D46Hybrid/EV Battery Pack B Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D46 relates to hybrid/ev battery pack b over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D47Hybrid/EV Battery Pack C Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D47 relates to hybrid/ev battery pack c over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D48Hybrid/EV Battery Pack D Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D48 relates to hybrid/ev battery pack d over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D49Hybrid/EV Battery Pack E Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D49 relates to hybrid/ev battery pack e over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4AHybrid/EV Battery Pack F Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4A relates to hybrid/ev battery pack f over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4BHybrid/EV Battery Pack G Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4B relates to hybrid/ev battery pack g over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4CHybrid/EV Battery Pack H Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4C relates to hybrid/ev battery pack h over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4DHybrid/EV Battery Pack I Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4D relates to hybrid/ev battery pack i over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4EHybrid/EV Battery Pack J Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4E relates to hybrid/ev battery pack j over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4FHybrid/EV Battery Pack K Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4F relates to hybrid/ev battery pack k over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D50Hybrid/EV Battery Pack L Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D50 relates to hybrid/ev battery pack l over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.