Seat Heater Function Uncontrollable

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#11

12-26-2020, 05:37 PM

hummerz

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Join Date: Jul 2012

Location: C-Town

Posts: 7,941

614 Manufacturer Communicationsfor 2006 HUMMER H2

More information here: Check your vehicle safety

#12

12-26-2020, 07:17 PM

hummerz

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Join Date: Jul 2012

Location: C-Town

Posts: 7,941

Quote:

Originally Posted by lamboman

Yes I think it does happen even when parked. But driving will usually trigger it faster I think when hitting bumps and whatnot but that may not be the case.

Back to this, "you think, when parked, yet trigger when hitting bumps"? Again, check wiring/connector to the switch & seat heaters. Easy fix if you know how to use a multimeter.

#13

12-29-2020, 10:40 AM

fastNYsix

Senior Member

Join Date: May 2019

Location: upstate NY

Posts: 225

It's probably a faulty drivers door window switch. Exact same issue mine had. The heater would randomly turn on and off. The seat heater switch plugs into the window switch. I installed a new GM one and it's been fine ever since.