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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 4969–4992 of 8256

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P266AA Rocker Arm Actuator Position Sensor Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266A relates to a rocker arm actuator position sensor circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266BA Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266B relates to a rocker arm actuator position sensor circuit range/performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266CA Rocker Arm Actuator Position Sensor Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266C relates to a rocker arm actuator position sensor circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266DA Rocker Arm Actuator Position Sensor Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266D relates to a rocker arm actuator position sensor circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266EA Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP266E relates to a rocker arm actuator position sensor circuit intermittent/erratic bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P266FA/C Refrigerant Distribution Valve A Control Circuit Driver Current/Temperature Too HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP266F relates to a/c refrigerant distribution valve a control circuit driver current/temperature too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2670Actuator Supply Voltage B Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2670 relates to actuator supply voltage b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2671Actuator Supply Voltage B Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2671 relates to actuator supply voltage b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2672Injection Pump Timing OffsetCheck soonFuel System30–120 minutes for initial diagnosisP2672 relates to injection pump timing offset. Check the fault conditions and vehicle-specific procedure before replacing parts.P2673Injection Pump Timing Calibration Not LearnedCheck soonFuel System30–120 minutes for initial diagnosisP2673 relates to injection pump timing calibration not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P2674Injection Pump Fuel Calibration Not LearnedCheck soonFuel System30–120 minutes for initial diagnosisP2674 relates to injection pump fuel calibration not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P2675Air Cleaner Inlet Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2675 relates to air cleaner inlet control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2676Air Cleaner Inlet Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2676 relates to air cleaner inlet control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2677Air Cleaner Inlet Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2677 relates to air cleaner inlet control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2678Coolant Degassing Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP2678 relates to coolant degassing valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2679Coolant Degassing Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP2679 relates to coolant degassing valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P267AB Rocker Arm Actuator Position Sensor Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267A relates to b rocker arm actuator position sensor circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267BB Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267B relates to b rocker arm actuator position sensor circuit range/performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267CB Rocker Arm Actuator Position Sensor Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267C relates to b rocker arm actuator position sensor circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267DB Rocker Arm Actuator Position Sensor Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267D relates to b rocker arm actuator position sensor circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267EB Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP267E relates to b rocker arm actuator position sensor circuit intermittent/erratic bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P267FControl Module Internal Temperature Sensor A Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP267F relates to control module internal temperature sensor a circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2680Coolant Degassing Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP2680 relates to coolant degassing valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2681Engine Coolant Bypass Valve A Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP2681 relates to engine coolant bypass valve a control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.