Power window in my 2003 gmc envoy will not stay up

Are all windows not working ? Two separate circuit breakers left & right . Both in rear fuse box . Fuse Block - Rear Beneath the left rear seat
Check for broken wires inside the rubber boot from body to doors.
Do you know about electronic control modules ?
The power window system consists of the following components:
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Driver door module (DDM)

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Passenger door module (PDM)

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Body control module (BCM)

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LR power window switch

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RR power window switch

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Window up and window down relays in each of the rear passenger window switches

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Window lockout switch

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Reversible power window motors in each of the doors (circuit breaker protected)

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LT DOOR CB 25A (System power for left rear window)

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RT DOOR CB 25A (System power for right rear window)

The power window system will operate anytime the retained accessory power (RAP) system is active or when the ignition switch is in the ACCY or ON position.
The DDM contains 4 power window switches which are integral components. Closing any of the normally open, rocker type switches provides the DDM with a request for power window operation. The switches for the 2 front windows have 3 positions Up, Down and Express Down, while the switches for the rear windows have only 2 positions, Up and Down. Each of these switches and their positions is a direct input into the DDM. Upon receiving a request for power window operation, the DDM, transmits a class 2 message indicating the switch and it's changed position.
The PDM contains a single power window switch that is an integral component. Closing of this normally open, rocker switch provides the PDM with a request for the front passenger power window operation. The switch for the front passenger window has 2 positions Up and Down. Each of these switch positions is a direct input to the PDM.
The 2 rear passenger doors have there own switches. Each of the switches contain a power window up and down relay. A switch activation alone can control the up and down functions of the rear windows. However the BCM, upon receiving a class 2 message from the DDM, can control the set of relays which will activate the rear window motors.

Check

The BCM is located under the rear seat on driver's side next to fuse box.
Don't believe this is a BCM problem, it is more likely the Driver's Door Module itself. Try moving the passenger door module over to the driver's side and see if that works the windows.

Check for a faulty power window relay.

You need to replace the two gas struts on either side of the rear hatch.

need to remove door panel and test power , motor, connections and track

Its located on the passenger side behind the plastic panel underneath the dash,mounted to the ac box.

if your main switch panel still works the passenger window and if door locks still work probaly bad window motor

It sounds like the window fell off its track, or the scissor lift mechanism lost a screw. You will need to take your door panel off to determine the exact cause. Check to see if the glass broke and let me know. Often times you can fix your problem with a new nut and bolt for about 50 cents, or you may just need to re-seat your window. If you are not comfortable taking your door panel off, I would recommend bringing it to a mechanic, but expect a bill around $100 for a simple fix.

There is one under the passenger seat driver side. Flip up the seat and lift off the cover.

You need a new window regulator. Make sure after the replacement you need to put silicone lube on the tracks in front and rear of the window. This will keep it from going bad again. Lube the other window that you don't want to replace the regulator in.