Question about 2001 GMC Yukon Denali

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Heated Seats, Yukon Denali

I have an 04 Yukon Denali, and the heated seats on the driver side keep coming on. I turn them off, but as soon as I do, its back on again! and at the highest temp.....its so frustrating, what can I do?

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  • terrenceperr May 24, 2009

    its the same how did you fix it

  • Kevin McAndrews Sep 19, 2012

    I just started having the same problem. I do live in FL and can live without them. Anyone know how to disconnect under seat ???

  • Anonymous Mar 25, 2014

    Pressing buttons 1or2 didn't get a ding noise

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  • GMC Master
  • 85,206 Answers

You will need to replace the switch module, it is the only thing that can cause this to happen

Posted on Apr 13, 2009

  • 2 more comments 
  • james_pass
    james_pass May 01, 2012

    i have a 2004 gmc sierra z-71 that has this same problem. i replaced the switch in the door and it DID NOT fix the problem. there has to be another cause. any suggestions?

  • james_pass
    james_pass May 01, 2012

    i have a 2004 GMC Sierra Z-71 that has the same problem. I replaced the switch with circuit board in the door panel and it DID NOT fix the problem. Any other suggestions on a possible cause?

  • Marvin
    Marvin May 01, 2012

    Yes go to the dealer and have the Body control module scanned.

  • Marvin
    Marvin May 01, 2012

    Why don't you just disconnect the seat heater grid in the seat for now?

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The controller could be bad but I would probe the related wiring first. From your symptoms it sounds like something can not handle the electrical load. You turn the F/R seat heater on but then you turn on the F/L and the whole system fails. It does sound like the source of the problem will be under the drivers seat. Testing needs to be performed to confirm and identify the source. Both seats share the same fuse and ground. This circuit may have a damaged wire or connector somewhere. Inspect and test as much as you can. Also look underneath the seats for anything. Customers are not aware that personal belongings and trash get pushed underneath the seats and will damage wiring. Also excessively moving the seat forward and back will weaken the harness over time. Please write back and let me know what you need. If it is more diagnostic information or suggestions just let me know. Good Luck

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02 GMC Denali front heated seats won't work


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