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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 337–360 of 378

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P2AA6EGR Cooler Bypass Control Circuit Driver Current/Temperature Too High Bank 2Check soonEmissions System30–120 minutes for initial diagnosisP2AA6 relates to egr cooler bypass control circuit driver current/temperature too high bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2AB0Particulate Matter Sensor Processor PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP2AB0 relates to particulate matter sensor processor performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2AB1Catalyst Heater Control Module PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP2AB1 relates to catalyst heater control module performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2AB2Catalyst Heater Control Module Supply VoltageCheck soonEmissions System30–120 minutes for initial diagnosisP2AB2 relates to catalyst heater control module supply voltage. Check the fault conditions and vehicle-specific procedure before replacing parts.P2B9BVehicle Conditions Incorrect for Particulate Matter Sensor RegenerationCheck soonEmissions System30–120 minutes for initial diagnosisP2B9B relates to vehicle conditions incorrect for particulate matter sensor regeneration. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BA4Catalyst Feedgas PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP2BA4 relates to catalyst feedgas performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BA5Particulate Filter Feedgas PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP2BA5 relates to particulate filter feedgas performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BA6NOx Exceedance - SCR NOx Catalyst PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP2BA6 relates to nox exceedance - scr nox catalyst performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BABNOx Exceedence - Incorrect EGR FlowCheck soonEmissions System30–120 minutes for initial diagnosisP2BAB relates to nox exceedence - incorrect egr flow. Check the fault conditions and vehicle-specific procedure before replacing parts.P2BACNOx Exceedence - Deactivation of EGRCheck soonEmissions System30–120 minutes for initial diagnosisP2BAC relates to nox exceedence - deactivation of egr. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CA4Particulate Filter Pressure Sensor Signals Swapped A/BCheck soonEmissions System30–120 minutes for initial diagnosisP2CA4 relates to particulate filter pressure sensor signals swapped a/b. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE5Particulate Filter Pressure Sensor C CircuitCheck soonEmissions System30–120 minutes for initial diagnosisP2CE5 relates to particulate filter pressure sensor c circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE6Particulate Filter Pressure Sensor C Circuit Range/PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP2CE6 relates to particulate filter pressure sensor c circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE7Particulate Filter Pressure Sensor C Circuit LowCheck soonEmissions System30–120 minutes for initial diagnosisP2CE7 relates to particulate filter pressure sensor c circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE8Particulate Filter Pressure Sensor C Circuit HighCheck soonEmissions System30–120 minutes for initial diagnosisP2CE8 relates to particulate filter pressure sensor c circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CE9Particulate Filter Pressure Sensor C Circuit Intermittent/ErraticCheck soonEmissions System30–120 minutes for initial diagnosisP2CE9 relates to particulate filter pressure sensor c circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CEAParticulate Filter Pressure Sensor D CircuitCheck soonEmissions System30–120 minutes for initial diagnosisP2CEA relates to particulate filter pressure sensor d circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CEBParticulate Filter Pressure Sensor D Circuit Range/PerformanceCheck soonEmissions System30–120 minutes for initial diagnosisP2CEB relates to particulate filter pressure sensor d circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CECParticulate Filter Pressure Sensor D Circuit LowCheck soonEmissions System30–120 minutes for initial diagnosisP2CEC relates to particulate filter pressure sensor d circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CEDParticulate Filter Pressure Sensor D Circuit HighCheck soonEmissions System30–120 minutes for initial diagnosisP2CED relates to particulate filter pressure sensor d circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CEEParticulate Filter Pressure Sensor D Circuit Intermittent/ErraticCheck soonEmissions System30–120 minutes for initial diagnosisP2CEE relates to particulate filter pressure sensor d circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CF9Belt Integrated Starter Generator Belt Tensioner Control Circuit/OpenCheck soonEmissions System30–120 minutes for initial diagnosisP2CF9 relates to belt integrated starter generator belt tensioner control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CFABelt Integrated Starter Generator Belt Tensioner Control Circuit LowCheck soonEmissions System30–120 minutes for initial diagnosisP2CFA relates to belt integrated starter generator belt tensioner control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2CFBBelt Integrated Starter Generator Belt Tensioner Control Circuit HighCheck soonEmissions System30–120 minutes for initial diagnosisP2CFB relates to belt integrated starter generator belt tensioner control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.