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2004 tahoe master window control


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danno103
New User

Oct 14, 2013, 1:58 PM

Post #1 of 4 (1488 views)
2004 tahoe master window control Sign In

Hello all, newbie here. After spending all day searching the web I have come across Car Junkies. I have faith I will find my answer here! I have 2004 tahoe. The drivers side door module which controls all windows,locks and mirror functions does not work when the ignition is on. I need to turn the car off to use the controls which has become a pain especially at the drive thru windows. Went to the dealership and of course they never heard of this. My amatuer opinion is the ignition is somehow shorting out power to the window control. Any help is greatly appreciated.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 14, 2013, 2:58 PM

Post #2 of 4 (1477 views)
Re: 2004 tahoe master window control Sign In

Both the main switch and the Drivers door module get their power from the same circuit breaker that is powered all the time. The drivers door module communicates with the BCM through a Class 2 serial data line so I would suspect something is going on with the BCM but I doubt you will find the solution online.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



danno103
New User

Oct 14, 2013, 3:12 PM

Post #3 of 4 (1472 views)
Re: 2004 tahoe master window control Sign In

Where do you suggest I bring it? I'd like to avoid the dealership if at all possible. Thankyou


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 14, 2013, 3:23 PM

Post #4 of 4 (1470 views)
Re: 2004 tahoe master window control Sign In

With this type of problem the dealer may be your smartest move. You can waste a lot of money with people that don't know what they are doing.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







 
 
 






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