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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.

Emissions System 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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Diagnostic codes

Showing 481–504 of 515

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P2DCDParticulate Filter B IncorrectCheck soonEmissions System30–120 minutes for initial diagnosisP2DCD relates to particulate filter b incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DD9EVAP System Leak Detection Pump Control Circuit PerformanceLow priorityEmissions System30–120 minutes for initial diagnosisP2DD9 relates to evap system leak detection pump control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DDAEVAP System Leak Detection Pump Performance/Stuck OffLow priorityEmissions System30–120 minutes for initial diagnosisP2DDA relates to evap system leak detection pump performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DDBEVAP System Leak Detection Pump Stuck OnLow priorityEmissions System30–120 minutes for initial diagnosisP2DDB relates to evap system leak detection pump stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DFDEVAP System Purge Pump PerformanceLow priorityEmissions System30–120 minutes for initial diagnosisP2DFD relates to evap system purge pump performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EA1Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 6Check soonEmissions System30–120 minutes for initial diagnosisP2EA1 relates to exhaust gas temperature sensor circuit bank 1 sensor 6. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EA2Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 6Check soonEmissions System30–120 minutes for initial diagnosisP2EA2 relates to exhaust gas temperature sensor circuit high bank 1 sensor 6. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EA3Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 6Check soonEmissions System30–120 minutes for initial diagnosisP2EA3 relates to exhaust gas temperature sensor circuit low bank 1 sensor 6. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EA5Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 6Check soonEmissions System30–120 minutes for initial diagnosisP2EA5 relates to exhaust gas temperature sensor circuit range/performance bank 1 sensor 6. Check the fault conditions and vehicle-specific procedure before replacing parts.P0143Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0143 means Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0144Oxygen Sensor Circuit High Voltage Bank 1 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0144 means Oxygen Sensor Circuit High Voltage Bank 1 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0145Oxygen Sensor Circuit Slow Response Bank 1 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0145 means Oxygen Sensor Circuit Slow Response Bank 1 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0146Oxygen Sensor Circuit No Activity Detected Bank 1 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0146 means Oxygen Sensor Circuit No Activity Detected Bank 1 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0147Oxygen Sensor Heater Circuit Bank 1 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0147 means Oxygen Sensor Heater Circuit Bank 1 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0160Oxygen Sensor Circuit No Activity Detected Bank 2 Sensor 2Check soonEmissions System45–120 minutes for initial diagnosisP0160 means Oxygen Sensor Circuit No Activity Detected Bank 2 Sensor 2. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0162Oxygen Sensor Circuit Bank 2 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0162 means Oxygen Sensor Circuit Bank 2 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0163Oxygen Sensor Circuit Low Voltage Bank 2 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0163 means Oxygen Sensor Circuit Low Voltage Bank 2 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0164Oxygen Sensor Circuit High Voltage Bank 2 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0164 means Oxygen Sensor Circuit High Voltage Bank 2 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0165Oxygen Sensor Circuit Slow Response Bank 2 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0165 means Oxygen Sensor Circuit Slow Response Bank 2 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0166Oxygen Sensor Circuit No Activity Detected Bank 2 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0166 means Oxygen Sensor Circuit No Activity Detected Bank 2 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0167Oxygen Sensor Heater Circuit Bank 2 Sensor 3Check soonEmissions System45–120 minutes for initial diagnosisP0167 means Oxygen Sensor Heater Circuit Bank 2 Sensor 3. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P0403Exhaust Gas Recirculation Control Circuit MalfunctionLow priorityEmissions System30–90 minutes for initial diagnosisP0403 means Exhaust Gas Recirculation Control Circuit Malfunction. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0404Exhaust Gas Recirculation Control Circuit Range/PerformanceLow priorityEmissions System30–90 minutes for initial diagnosisP0404 means Exhaust Gas Recirculation Control Circuit Range/Performance. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0405Exhaust Gas Recirculation Sensor A Circuit LowLow priorityEmissions System30–90 minutes for initial diagnosisP0405 means Exhaust Gas Recirculation Sensor A Circuit Low. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.