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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.

Check soon 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 4729–4752 of 6682

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P26CFEngine Coolant Pump Control Module System VoltageCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26CF relates to engine coolant pump control module system voltage. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D0Engine Coolant Pump Control Module System Voltage LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26D0 relates to engine coolant pump control module system voltage low. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D1Engine Coolant Pump Control Module System Voltage HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26D1 relates to engine coolant pump control module system voltage high. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D3Engine Coolant Pump Supply Voltage CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26D3 relates to engine coolant pump supply voltage circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D4Engine Coolant Pump Supply Voltage Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26D4 relates to engine coolant pump supply voltage circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D5Engine Coolant Pump Supply Voltage Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26D5 relates to engine coolant pump supply voltage circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D6Engine Coolant Pump Clutch Control Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP26D6 relates to engine coolant pump clutch control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D7Engine Coolant Pump Clutch Performance/Stuck OffCheck soonTransmission Issues30–120 minutes for initial diagnosisP26D7 relates to engine coolant pump clutch performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D8Engine Coolant Pump Clutch Stuck OnCheck soonTransmission Issues30–120 minutes for initial diagnosisP26D8 relates to engine coolant pump clutch stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.P26D9Engine Coolant Pump Clutch Control Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP26D9 relates to engine coolant pump clutch control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P26DAEngine Coolant Pump Clutch Control Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP26DA relates to engine coolant pump clutch control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P26DBEngine Sound Control A Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP26DB relates to engine sound control a circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P26DCEngine Sound Control A Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP26DC relates to engine sound control a circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P26DDEngine Sound Control A Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP26DD relates to engine sound control a circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P26DEEngine Sound Control A Circuit PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP26DE relates to engine sound control a circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P26DFSensor Power Supply D Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26DF relates to sensor power supply d circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E0Sensor Power Supply D Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26E0 relates to sensor power supply d circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E1Sensor Power Supply D Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26E1 relates to sensor power supply d circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E2Fuel Mode Indicator Lamp Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP26E2 relates to fuel mode indicator lamp control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E3Fuel Mode Indicator Lamp Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP26E3 relates to fuel mode indicator lamp control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E4Starter Relay B CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26E4 relates to starter relay b circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E5Starter Relay B Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26E5 relates to starter relay b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E6Starter Relay B Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26E6 relates to starter relay b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E7Actuator Supply Voltage D Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP26E7 relates to actuator supply voltage d circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.