Question about 2005 GMC Yukon Denali

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The seat control mod on my 04 denali went bad so i replaced it, had it programmed, brought it home and it worked fine. the next time i drove it we used the heat on the seats and all the controls for the seat quit working. i went outside this morning to check it and it is working fine again. do you think the heaters are shorting out and causing my problems and what should i do if so?

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It sounds like you have an over-current problem with your seat controls that may be causing the self-resetting circuit breaker to trip. It may also just be a weak circuit breaker. These tend to get weak and trip easilly if they are tripped several times. It is possible that your problem before replacing the seat module caused this. It is also possible that the seat motors or heating elements have a present problem that are causing this. If so, this might be the cause of your module going bad in the first place. The right way to diagnose this would be to scan your Body Control Module for fault codes and to see if there is any information/data that can lead to to an effective repair.

You could also try replacing the circuit breaker first to see if this fixes the problem. It is the "Seats" Circuit Breaker in the Instrument Panel Fuse Block. it is a 30-Amp, self-resetting breaker.

The only problem with doing it this way, is that if this problem is in fact what caused your seat module failure, simply replacing the circuit breaker may cause a second module failure.

Please also review this article: Where's The Fuse?

Posted on Mar 12, 2011

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Replace the heated seat it more then likely bad

Posted on Mar 12, 2011


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