C5 pass window inop
Thread Starter
Heel & Toe
Joined: Mar 2019
Posts: 15
Likes: 0
From: PCB Florida
C5 pass window inop
Folks, need some advice please....the other day, our passenger window became inop; it won't go up or down from either the driver or passenger control. The door lock on the RT side does work so don't suspect the control module. I checked the fuses and all seem good and there are no codes (other than battery fault - I just replaced the battery last weekend). Could the battery replacement have anything to do with the window suddenly becoming in-op? Appreciate any and all advice on potential fixes, would like to attempt myself BEFORE taking to dealer for repair. Your time is appreciated. Fred
Melting Slicks
Joined: Oct 2002
Posts: 2,515
Likes: 441
From: Arizona
Folks, need some advice please....the other day, our passenger window became inop; it won't go up or down from either the driver or passenger control. The door lock on the RT side does work so don't suspect the control module. I checked the fuses and all seem good and there are no codes (other than battery fault - I just replaced the battery last weekend). Could the battery replacement have anything to do with the window suddenly becoming in-op? Appreciate any and all advice on potential fixes, would like to attempt myself BEFORE taking to dealer for repair. Your time is appreciated. Fred
Melting Slicks
Joined: Sep 2011
Posts: 2,258
Likes: 544
From: Appleton WI
Do you hear the relay click when you press the button? If yes, your motor is stuck. You can try pressing the button and thumping the door between the grab handle and the release handle. In my case, I took the door panel off and used the handle of a screwdriver to whack the back of the motor while a helper held the button down on the driver's side. I did this approximately 7 years ago. Now I exercise the window on occasion to ensure it stays freed up.
Melting Slicks
Joined: Nov 2014
Posts: 3,399
Likes: 1,339
From: Havre de Grace Maryland
Do you hear the relay click when you press the button? If yes, your motor is stuck. You can try pressing the button and thumping the door between the grab handle and the release handle. In my case, I took the door panel off and used the handle of a screwdriver to whack the back of the motor while a helper held the button down on the driver's side. I did this approximately 7 years ago. Now I exercise the window on occasion to ensure it stays freed up.
Did the same to my passenger side using the same method 3 years ago and no further problems. I also exercise the windows often, and the headlights/wipers since I do not drive at night or in the rain.
Racer
Joined: May 2014
Posts: 282
Likes: 9
From: Salinas California
Try wiggling the bellows that contain wires going from the A-pillar to the door. The connector inside the pillar is a known problem area. If that gets the window working, disconnect connector clean pins and and check tension of female end of terminals.
Instructor
Joined: Mar 2016
Posts: 199
Likes: 44
From: ND
I had to take the panel off and give it a few snacks with a rubber hammer. I always run it up and down every once in a while to keep it loose. Dealer told me that it is pretty common in most GM vehicles.
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