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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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Diagnostic codes

Showing 289–312 of 515

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P244FExhaust Temperature Too High For Particulate Filter Regeneration Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP244F relates to exhaust temperature too high for particulate filter regeneration bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2450EVAP System Switching Valve Performance/Stuck OpenLow priorityEmissions System30–120 minutes for initial diagnosisP2450 relates to evap system switching valve performance/stuck open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2451EVAP System Switching Valve Stuck ClosedLow priorityEmissions System30–120 minutes for initial diagnosisP2451 relates to evap system switching valve stuck closed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2452Particulate Filter Pressure Sensor A CircuitCheck soonEmissions System30–120 minutes for initial diagnosisP2452 relates to particulate filter pressure sensor a circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2453Particulate Filter Pressure Sensor A Circuit Range/PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP2453 relates to particulate filter pressure sensor a circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2454Particulate Filter Pressure Sensor A Circuit LowCheck soonEmissions System30–120 minutes for initial diagnosisP2454 relates to particulate filter pressure sensor a circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2455Particulate Filter Pressure Sensor A Circuit HighCheck soonEmissions System30–120 minutes for initial diagnosisP2455 relates to particulate filter pressure sensor a circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2456Particulate Filter Pressure Sensor A Circuit Intermittent/ErraticCheck soonEmissions System30–120 minutes for initial diagnosisP2456 relates to particulate filter pressure sensor a circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2457EGR Cooler A Efficiency Below ThresholdCheck soonEmissions System30–120 minutes for initial diagnosisP2457 relates to egr cooler a efficiency below threshold. Check the fault conditions and vehicle-specific procedure before replacing parts.P2458Particulate Filter Regeneration Duration Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP2458 relates to particulate filter regeneration duration bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2459Particulate Filter Regeneration Frequency Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP2459 relates to particulate filter regeneration frequency bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P245AEGR Cooler Bypass Control Circuit/Open Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP245A relates to egr cooler bypass control circuit/open bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P245BEGR Cooler Bypass Control Circuit Range/Performance Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP245B relates to egr cooler bypass control circuit range/performance bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P245CEGR Cooler Bypass Control Circuit Low Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP245C relates to egr cooler bypass control circuit low bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P245DEGR Cooler Bypass Control Circuit High Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP245D relates to egr cooler bypass control circuit high bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P245EParticulate Filter Pressure Sensor B CircuitCheck soonEmissions System30–120 minutes for initial diagnosisP245E relates to particulate filter pressure sensor b circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P245FParticulate Filter Pressure Sensor B Circuit Range/PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP245F relates to particulate filter pressure sensor b circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2460Particulate Filter Pressure Sensor B Circuit LowCheck soonEmissions System30–120 minutes for initial diagnosisP2460 relates to particulate filter pressure sensor b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2461Particulate Filter Pressure Sensor B Circuit HighCheck soonEmissions System30–120 minutes for initial diagnosisP2461 relates to particulate filter pressure sensor b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2462Particulate Filter Pressure Sensor B Circuit Intermittent/ErraticCheck soonEmissions System30–120 minutes for initial diagnosisP2462 relates to particulate filter pressure sensor b circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2463Particulate Filter Restriction - Soot Accumulation Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP2463 relates to particulate filter restriction - soot accumulation bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2464Particulate Filter Differential Pressure Too Low Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP2464 relates to particulate filter differential pressure too low bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2465Particulate Filter Differential Pressure Too High Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP2465 relates to particulate filter differential pressure too high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2466Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 3Check soonEmissions System30–120 minutes for initial diagnosisP2466 relates to exhaust gas temperature sensor circuit bank 2 sensor 3. Check the fault conditions and vehicle-specific procedure before replacing parts.