Question about Cars & Trucks
I would check the wire harness under the seat and make sure they are clear of the seat tracks. Next make sure the plug ins under the seat are tight. If only the driver seat is shutting off may be heat element has gone bad.If both are doing it(passenger and driver) there is probably a module that controls them and that has gone bad.
Posted on Dec 06, 2012
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Posted on Jan 02, 2017
There are 2 fuse panels in the Denali.
One is a panel on the drivers side, its on the dash but facing the door.
The ohter is under the dash and above the pedals, this one is much tougher to access.
Your Owner's Manual should tell you where the fuses are that you need to access.
Posted on Oct 20, 2008
See GM TSB 05-08-143-001, If you have Adjustable pedals, especially if they don't work with the memeory buttons, but function with thier own buttons. Its the Brake Pedal Position Sensor is shorted and mesing up the seat module which controls the heaters too. My 05 Suburban had the same issue
Posted on Dec 11, 2009
test to see if you have any power going through all the connectors for the seat heater, there may be a spot where there is a connector that has gone bad, or potentially it could be the whole element that is bad
Posted on Nov 07, 2010
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