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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 97–120 of 2110

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P00D9Ambient Air Temperature Sensor Circuit BLow prioritySensors & Electronics30–120 minutes for initial diagnosisP00D9 relates to ambient air temperature sensor circuit b. Check the fault conditions and vehicle-specific procedure before replacing parts.P00DAAmbient Air Temperature Sensor Circuit B Range/PerformanceLow prioritySensors & Electronics30–120 minutes for initial diagnosisP00DA relates to ambient air temperature sensor circuit b range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P00DBAmbient Air Temperature Sensor Circuit B LowLow prioritySensors & Electronics30–120 minutes for initial diagnosisP00DB relates to ambient air temperature sensor circuit b low. Check the fault conditions and vehicle-specific procedure before replacing parts.P00DCAmbient Air Temperature Sensor Circuit B HighLow prioritySensors & Electronics30–120 minutes for initial diagnosisP00DC relates to ambient air temperature sensor circuit b high. Check the fault conditions and vehicle-specific procedure before replacing parts.P00DDAmbient Air Temperature Sensor Circuit B Intermittent/ErraticLow prioritySensors & Electronics30–120 minutes for initial diagnosisP00DD relates to ambient air temperature sensor circuit b intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P00E3Exhaust Heat Exchanger Exhaust Bypass Valve A Stuck OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00E3 relates to exhaust heat exchanger exhaust bypass valve a stuck open. Check the fault conditions and vehicle-specific procedure before replacing parts.P00E4Exhaust Heat Exchanger Exhaust Bypass Valve A Stuck ClosedCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00E4 relates to exhaust heat exchanger exhaust bypass valve a stuck closed. Check the fault conditions and vehicle-specific procedure before replacing parts.P00E6Intake Air Pressure Measurement System - Multiple Sensor Correlation Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00E6 relates to intake air pressure measurement system - multiple sensor correlation bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P00E7Intake Air Temperature Measurement System - Multiple Sensor Correlation Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00E7 relates to intake air temperature measurement system - multiple sensor correlation bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P00E8Intake Air Temperature Sensor 3 Circuit Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00E8 relates to intake air temperature sensor 3 circuit bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P00E9Intake Air Temperature Sensor 3 Circuit Range/Performance Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00E9 relates to intake air temperature sensor 3 circuit range/performance bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P00EAIntake Air Temperature Sensor 3 Circuit Low Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EA relates to intake air temperature sensor 3 circuit low bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P00EBIntake Air Temperature Sensor 3 Circuit High Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EB relates to intake air temperature sensor 3 circuit high bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P00ECIntake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EC relates to intake air temperature sensor 3 circuit intermittent/erratic bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P00EDIntake Air Temperature Sensor 3 Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00ED relates to intake air temperature sensor 3 circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P00EEIntake Air Temperature Sensor 3 Circuit Range/Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EE relates to intake air temperature sensor 3 circuit range/performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P00EFIntake Air Temperature Sensor 3 Circuit Low Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00EF relates to intake air temperature sensor 3 circuit low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P00F0Intake Air Temperature Sensor 3 Circuit High Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00F0 relates to intake air temperature sensor 3 circuit high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P00F1Intake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP00F1 relates to intake air temperature sensor 3 circuit intermittent/erratic bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P00F2Humidity Sensor Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F2 relates to humidity sensor circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P00F3Humidity Sensor Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F3 relates to humidity sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P00F4Humidity Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F4 relates to humidity sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P00F5Humidity Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F5 relates to humidity sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P00F6Humidity Sensor Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP00F6 relates to humidity sensor circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.