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9,253 diagnostic guides

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Find codes by symptomChoose what you notice to search matching code guides.

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

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

Vehicle coverage

These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 2257–2280 of 9253

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P06E7Sensor Power Supply C Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06E7 relates to sensor power supply c circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P06E8Sensor Power Supply C Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06E8 relates to sensor power supply c circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06E9Engine Starter PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06E9 relates to engine starter performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06EANOx Sensor Processor Performance Bank 1 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP06EA relates to nox sensor processor performance bank 1 sensor 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P06EBNOx Sensor Processor Performance Bank 1 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP06EB relates to nox sensor processor performance bank 1 sensor 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P06ECFuel Injector Control Module Requested MIL IlluminationCheck soonFuel System30–120 minutes for initial diagnosisP06EC relates to fuel injector control module requested mil illumination. Check the fault conditions and vehicle-specific procedure before replacing parts.P06EDEngine RPM Output Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06ED relates to engine rpm output circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P06EEEngine RPM Output Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06EE relates to engine rpm output circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06EFEngine Restart PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06EF relates to engine restart performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F0Reductant Control Module Internal Temperature Sensor CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06F0 relates to reductant control module internal temperature sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F1Reductant Control Module Internal Temperature Sensor Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06F1 relates to reductant control module internal temperature sensor range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F2Reductant Control Module Internal Temperature Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06F2 relates to reductant control module internal temperature sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F3Reductant Control Module Internal Temperature Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06F3 relates to reductant control module internal temperature sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F4Stop-Start Mode Lamp Control CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06F4 relates to stop-start mode lamp control circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F5Glow Plug Control Module 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP06F5 relates to glow plug control module 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F6Glow Plug Control Module 2 Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06F6 relates to glow plug control module 2 control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F7Glow Plug Control Module 2 Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06F7 relates to glow plug control module 2 control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F8Glow Plug Control Module 2 Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06F8 relates to glow plug control module 2 control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06F9Glow Plug Control Module 2 System VoltageCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06F9 relates to glow plug control module 2 system voltage. Check the fault conditions and vehicle-specific procedure before replacing parts.P06FAGlow Plug Control Module 2 PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06FA relates to glow plug control module 2 performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06FBGlow Plug Control Module 2 Memory Checksum ErrorCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06FB relates to glow plug control module 2 memory checksum error. Check the fault conditions and vehicle-specific procedure before replacing parts.P06FCGlow Plug Control Module 2 to PCM Communication CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06FC relates to glow plug control module 2 to pcm communication circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P06FDGlow Plug Control Module 2 to PCM Communication Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06FD relates to glow plug control module 2 to pcm communication circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06FECold Start Diesel Intake Air Flow Control PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06FE relates to cold start diesel intake air flow control performance. Check the fault conditions and vehicle-specific procedure before replacing parts.