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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 4633–4656 of 7353

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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.P2467Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 3Check soonEmissions System30–120 minutes for initial diagnosisP2467 relates to exhaust gas temperature sensor circuit range/performance bank 2 sensor 3. Check the fault conditions and vehicle-specific procedure before replacing parts.P2468Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 3Check soonEmissions System30–120 minutes for initial diagnosisP2468 relates to exhaust gas temperature sensor circuit low bank 2 sensor 3. Check the fault conditions and vehicle-specific procedure before replacing parts.P2469Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 3Check soonEmissions System30–120 minutes for initial diagnosisP2469 relates to exhaust gas temperature sensor circuit high bank 2 sensor 3. Check the fault conditions and vehicle-specific procedure before replacing parts.P246AExhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 3Check soonEmissions System30–120 minutes for initial diagnosisP246A relates to exhaust gas temperature sensor circuit intermittent/erratic bank 2 sensor 3. Check the fault conditions and vehicle-specific procedure before replacing parts.P246BVehicle Conditions Incorrect for Particulate Filter RegenerationCheck soonEmissions System30–120 minutes for initial diagnosisP246B relates to vehicle conditions incorrect for particulate filter regeneration. Check the fault conditions and vehicle-specific procedure before replacing parts.