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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 4609–4632 of 7353

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P243CParticulate Filter Regeneration Frequency Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP243C relates to particulate filter regeneration frequency bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P243DParticulate Filter Regeneration Duration Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP243D relates to particulate filter regeneration duration bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P243EParticulate Filter Regeneration Incomplete Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP243E relates to particulate filter regeneration incomplete bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P243FParticulate Filter Restriction - Soot Accumulation Too High Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP243F relates to particulate filter restriction - soot accumulation too high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2440AIR System Switching Valve Stuck Open Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2440 relates to air system switching valve stuck open bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2441AIR System Switching Valve Stuck Closed Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2441 relates to air system switching valve stuck closed bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2442AIR System Switching Valve Stuck Open Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2442 relates to air system switching valve stuck open bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2443AIR System Switching Valve Stuck Closed Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2443 relates to air system switching valve stuck closed bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2444AIR System Pump Stuck On Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2444 relates to air system pump stuck on bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2445AIR System Pump Stuck Off Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2445 relates to air system pump stuck off bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2446AIR System Pump Stuck On Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2446 relates to air system pump stuck on bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2447AIR System Pump Stuck Off Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2447 relates to air system pump stuck off bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2448AIR System High Air Flow Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP2448 relates to air system high air flow bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2449AIR System High Air Flow Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP2449 relates to air system high air flow bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P244AParticulate Filter Differential Pressure Too Low Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP244A relates to particulate filter differential pressure too low bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P244BParticulate Filter Differential Pressure Too High Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP244B relates to particulate filter differential pressure too high bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P244CExhaust Temperature Too Low For Particulate Filter Regeneration Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP244C relates to exhaust temperature too low for particulate filter regeneration bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P244DExhaust Temperature Too High For Particulate Filter Regeneration Bank 1Check soonEmissions System30–120 minutes for initial diagnosisP244D relates to exhaust temperature too high for particulate filter regeneration bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P244EExhaust Temperature Too Low For Particulate Filter Regeneration Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP244E relates to exhaust temperature too low for particulate filter regeneration bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.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.