Engine Power Messages

ENGINE POWER IS REDUCED

This message displays and a chime sounds when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode.

See Engine Overheating on page 10‑18 for further information.

This message also displays when the vehicle's engine power is reduced. Reduced engine power can affect the vehicle's ability to accelerate. If this message is on, but there is no reduction in performance, proceed to your destination. The performance may be reduced the next time the vehicle is driven. The vehicle may be driven at a reduced speed while this message is on, but acceleration and speed may be reduced. Anytime this message stays on, the vehicle should be taken to your dealer for service as soon as possible.

    See also:

    Compass
    The vehicle may have a compass in the Driver Information Center (DIC). ...

    Engine Compartment Fuse Block
    To remove the fuse block cover, squeeze the clips on the cover and lift it straight up. See Engine Compartment Overview on page 10‑6. Notice: Spilling liquid on any electrical component on ...

    How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
    If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure. WARNING You can be burned if you spill coolant on hot engine part ...