Question about 2003 GMC Sierra 2500HD

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2003 duramax heated seat on drivers side shuts off like in 15 to 30 secs why?

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Posted on Jan 02, 2017

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SOURCE: 2002 envoy

heater element in seat

Posted on Sep 13, 2008

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SOURCE: Heated seat not working, driver side only.

take a look at the fuses

Posted on Feb 08, 2009

  • 8 Answers

SOURCE: 2003 Envoy bottom seats not heating up, stopped working same time

I had the same issue with my 2004 XUV on the drivers side. Noticed that a "spot" was hooter than normal right before it quit. The seat heaters are basically a simple wire coil that is laid between the upholstery and the padding. The back and seat units are independent but operate off the same switch. If you are somewhat mechanically inclined, this is not a difficult fix, you just have to be patient and careful. Mine was a year ago and I think the replacement part from GM Parts Direct was less than 50 bucks. The dealer wanted over $300 to fix it. If you want me to walk you thru it let me know.

Posted on Mar 12, 2009

  • 194 Answers

SOURCE: Driver side heated seat is stuck on. Won't turn off.

most likely relay stuck or switch...

Posted on Apr 25, 2009

  • 7353 Answers

SOURCE: 2003 Suburban---Heated leather seat problem

there may be a software issue, there is a reprogram for seat heater issues. Bulletin 05-08-50-008 may pertain to that, a AC DELCO Shop or the dealer can ck that and see if this bulletin applies.

Posted on Sep 29, 2009

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2 Answers

Driver seat heated seat does not work. It is on for 3 sec and then trips out or shuts off. The passenger seat is fine. Any idea of what causes this and how can I fix it?


I have the same problem with my 03 2500 sierra hd driver seat. lights up for a split second but shuts off. Passenger seat heats fine. Any fix yet?

Nov 16, 2010 | 2003 Chevrolet Tahoe

1 Answer

2003 chevy Avalanche. The heated seat shut off prematurly.


There is a service bulletin for this concern from GM.What you will have to do is go to the dealership and they will reprogram the drivers seat module.It should only take a 1/2 hour.The bulletin number is 05-08-50-008.Hope this helps.Good luck.

Dec 24, 2009 | 2003 Chevrolet Avalanche

2 Answers

2003 Suburban---Heated leather seat problem


there may be a software issue, there is a reprogram for seat heater issues. Bulletin 05-08-50-008 may pertain to that, a AC DELCO Shop or the dealer can ck that and see if this bulletin applies.

Sep 29, 2009 | 2003 Chevrolet Suburban 1500

1 Answer

Heated seat problems


Heated seat control module is probably at fault . Have checked for DTC'S - diagnostic trouble codes .

Aug 30, 2017 | 2003 Chevrolet Silverado 2500HD

1 Answer

2003 Chevy 2500hd caught on fire


your problem was the electric seat motor. I had the same thing happen on passenger side while driving,fortunately smelled smoke, looked under seat and pulled motor wire loose.

Mar 14, 2009 | 2003 Chevrolet Silverado 2500HD

1 Answer

Heated seat problem 2004 GMC


yes the relay is on the left side of the fuse box it is about the size of a bottle cap and should be a blue or gray color it is a stocked part at most auto parts stores and a cheap about $10.00 two minute fix.

Dec 04, 2008 | 1997 Pontiac Sunfire

1 Answer

Driver Heated Seat 03 Suburban


The most likely failure point is the driver heated seat elements. They probably have excessive resistance and once they warm up a little they short out the module and it defaults to not working. I would recommend replacing both upper and lower driver seat elements.

Aug 12, 2008 | 2003 Chevrolet Suburban

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