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  1. #1

    Default 4WD 02' Envoy Problem

    I can't get the truck into AWD, 4WDhi or 4WDlow. Switch light is out, all fuses are good. I guess I'll take it to the dealer. Maybe have the module re-flashed? Any ideas would be greatly appreciated.

  2. #2


    The switches themselves seem to have problems on these.
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  3. #3

    Default 4WD 02' Envoy Problem

    I'm having the same problem with my '02 Trailblazer.
    My 4x4 is not working at all. There are no lights on the switch, and there is no 4x4 warning lights on the cluster. Vehcile is in 2HI all the time.
    I am dropping it off to the mechanic tomorrow and will post what happens...
    Please let me know how you resolved your problem with your Envoy.


  4. #4


    thanks lowrider, I am waiting until after the holiday to have it checked out. I'll let ya know what happens.

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