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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.

Fuel System P · Powertrain Clear all

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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 793–816 of 1016

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P2A50Alternative Fuel Vaporizer A Outlet Temperature Sensor CircuitCheck soonFuel System30–120 minutes for initial diagnosisP2A50 relates to alternative fuel vaporizer a outlet temperature sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A51Alternative Fuel Vaporizer A Outlet Temperature Sensor Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2A51 relates to alternative fuel vaporizer a outlet temperature sensor range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A52Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2A52 relates to alternative fuel vaporizer a outlet temperature sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A53Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2A53 relates to alternative fuel vaporizer a outlet temperature sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A54Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit Intermittent/ErraticCheck soonFuel System30–120 minutes for initial diagnosisP2A54 relates to alternative fuel vaporizer a outlet temperature sensor circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A55Alternative Fuel Vaporizer B Outlet Temperature Sensor CircuitCheck soonFuel System30–120 minutes for initial diagnosisP2A55 relates to alternative fuel vaporizer b outlet temperature sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A56Alternative Fuel Vaporizer B Outlet Temperature Sensor Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2A56 relates to alternative fuel vaporizer b outlet temperature sensor range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A57Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2A57 relates to alternative fuel vaporizer b outlet temperature sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A58Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2A58 relates to alternative fuel vaporizer b outlet temperature sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A59Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit Intermittent/ErraticCheck soonFuel System30–120 minutes for initial diagnosisP2A59 relates to alternative fuel vaporizer b outlet temperature sensor circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A5AAlternative Fuel Vaporizer C Outlet Temperature Sensor CircuitCheck soonFuel System30–120 minutes for initial diagnosisP2A5A relates to alternative fuel vaporizer c outlet temperature sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A5BAlternative Fuel Vaporizer C Outlet Temperature Sensor Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2A5B relates to alternative fuel vaporizer c outlet temperature sensor range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A5CAlternative Fuel Vaporizer C Outlet Temperature Sensor Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2A5C relates to alternative fuel vaporizer c outlet temperature sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A5DAlternative Fuel Vaporizer C Outlet Temperature Sensor Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2A5D relates to alternative fuel vaporizer c outlet temperature sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A5EAlternative Fuel Vaporizer C Outlet Temperature Sensor Circuit Intermittent/ErraticCheck soonFuel System30–120 minutes for initial diagnosisP2A5E relates to alternative fuel vaporizer c outlet temperature sensor circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A5FAlternative Fuel Tank B Level Sensor CircuitCheck soonFuel System30–120 minutes for initial diagnosisP2A5F relates to alternative fuel tank b level sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A60Alternative Fuel Tank B Level Sensor Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2A60 relates to alternative fuel tank b level sensor range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A61Alternative Fuel Tank B Level Sensor Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2A61 relates to alternative fuel tank b level sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A62Alternative Fuel Tank B Level Sensor Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2A62 relates to alternative fuel tank b level sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A63Alternative Fuel Tank B Level Sensor Circuit Intermittent/ErraticCheck soonFuel System30–120 minutes for initial diagnosisP2A63 relates to alternative fuel tank b level sensor circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A64Alternative Fuel Tank C Level Sensor CircuitCheck soonFuel System30–120 minutes for initial diagnosisP2A64 relates to alternative fuel tank c level sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A65Alternative Fuel Tank C Level Sensor Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2A65 relates to alternative fuel tank c level sensor range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A66Alternative Fuel Tank C Level Sensor Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2A66 relates to alternative fuel tank c level sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A67Alternative Fuel Tank C Level Sensor Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2A67 relates to alternative fuel tank c level sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.