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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.

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

Vehicle coverage

These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 1897–1920 of 1939

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P2EBECrankcase Temperature Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EBE relates to crankcase temperature sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EC0Turbocharger Compressor Outlet Temperature Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EC0 relates to turbocharger compressor outlet temperature sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EC1Turbocharger Compressor Outlet Temperature Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EC1 relates to turbocharger compressor outlet temperature sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EC2Turbocharger Compressor Outlet Temperature Sensor Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EC2 relates to turbocharger compressor outlet temperature sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P340ADeactivation/Intake Valve Control Circuit Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP340A relates to deactivation/intake valve control circuit bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P340BDeactivation/Intake Valve Control Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP340B relates to deactivation/intake valve control circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P340CDeactivation/Exhaust Valve Control Circuit Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP340C relates to deactivation/exhaust valve control circuit bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P340DDeactivation/Exhaust Valve Control Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP340D relates to deactivation/exhaust valve control circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P341ADeactivation/Intake Valve Control Circuit Performance Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP341A relates to deactivation/intake valve control circuit performance bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P341BDeactivation/Intake Valve Control Circuit Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP341B relates to deactivation/intake valve control circuit performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P341CDeactivation/Exhaust Valve Control Circuit Performance Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP341C relates to deactivation/exhaust valve control circuit performance bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P341DDeactivation/Exhaust Valve Control Circuit Performance Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP341D relates to deactivation/exhaust valve control circuit performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P0068MAP/MAF–Throttle Position CorrelationCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0068 means MAP/MAF–Throttle Position Correlation. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0095Intake Air Temperature Sensor 2 CircuitCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0095 means Intake Air Temperature Sensor 2 Circuit. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0096Intake Air Temperature Sensor 2 Circuit Range/PerformanceCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0096 means Intake Air Temperature Sensor 2 Circuit Range/Performance. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0097Intake Air Temperature Sensor 2 Circuit LowCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0097 means Intake Air Temperature Sensor 2 Circuit Low. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0098Intake Air Temperature Sensor 2 Circuit HighCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0098 means Intake Air Temperature Sensor 2 Circuit High. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0099Intake Air Temperature Sensor 2 Circuit IntermittentCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0099 means Intake Air Temperature Sensor 2 Circuit Intermittent. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0103Mass or Volume Air Flow Circuit High InputCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0103 means Mass or Volume Air Flow Circuit High Input. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0104Mass or Volume Air Flow Circuit IntermittentCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0104 means Mass or Volume Air Flow Circuit Intermittent. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0107Manifold Absolute Pressure/Barometric Pressure Circuit Low InputCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0107 means Manifold Absolute Pressure/Barometric Pressure Circuit Low Input. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0108Manifold Absolute Pressure/Barometric Pressure Circuit High InputCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0108 means Manifold Absolute Pressure/Barometric Pressure Circuit High Input. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0109Manifold Absolute Pressure/Barometric Pressure Circuit IntermittentCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0109 means Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0110Intake Air Temperature Sensor 1 CircuitCheck soonSensors & Electronics45–120 minutes for initial diagnosisP0110 means Intake Air Temperature Sensor 1 Circuit. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.