Question about 2002 GMC Envoy

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I have a 2002 envoy and the back hatch will not come open. The locks, when pressed sound like they are unlocking, but the door will not open. any advice on how to find out what is going on?

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  • 6 Answers

Try pulling the rear hatch panel and move the unlock mechanism with a screw driver to get it to open.

If that does Not work:

Check for broken wires in the liftgate boot. Test the liftgate module powers and ground on the 4 terminal connector: 12 volts on the Orange wires in terminals A and C, ground on the Black wire in terminal D. The liftgate module is located inside the gate.

Posted on Jan 05, 2011

  • itr835 Jan 05, 2011

    the rear hatch panel is a circulare plastic piece that can be pryed away with a flat tip screw driver.
    once open, peek through the hole a bit over an inch in diameter
    when looking into the hole, to your left, you will find a red tab
    to your right, you will find a metallic tab that you can flip
    i forget if i flipped it up or down, it has been a while but ise sure you can figure that out
    that fixes the problem...at least it did it for me
    head acheds gone, i can load things through the back again rather than through the rear side doors, $0 spent and no more swearing thank God!
    if all else fails, check for broken/frayed wires

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1) when you unlock the car from the inside, go back there and press the button to open the hatch door manually, do you here any noises?
2) Close all doors, go back close to the hatch button and using the remote , lock the car and then unlock the car. you should hear a sound from the actuator locking and unlocking the lock on the rear hatch!

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Next step would be to check the fuses inside the car, on the left bottom driver side, and outside on the battery compartment.
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NOW, if you can hear the noises, then something is either broken inside the actuator or one of the cables is loose!
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