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Thread: Service Electronic throttle control light

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    Service Electronic throttle control light

    I have a 2018 RAM 3500 with some parts missing.

    I started it this morning and the service electronic throttle control popped up.

    Any help would be appreciated.


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  3. Top Of Page | #2
    I WILL STAND! AK Bob's Avatar

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    Re: Service Electronic throttle control light

    Possibly due to low battery voltage at startup.

    Try your next cold start with the battery charger attached; if the problem goes away, check battery connections, voltage, and load rest.

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  5. Top Of Page | #3
    KJC's Avatar

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    Re: Service Electronic throttle control light

    Try unplugging the exhaust manifold pressure sensor and see if the light goes away; pretty common issue on 4th Gen.


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