Question about 2003 Chevrolet Silverado 2500HD
I have a 05 GMC 3500 Duramax with the same problem. Heated driver seat comes on by itself. It just started this week so I haven't been to dealer yet. My brother has an 05 Chev 3500 8.1 with the same problem, so I don't think it is linked to the diesels. He went to the dealer and they pulled the fuse...now he has no heat at all. Any help on this topic is greatly appreciated.
Heated seat control module is probably at fault . Have checked for DTC'S - diagnostic trouble codes .
Posted on Sep 05, 2017
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Posted on Jan 02, 2017
primay fuel pump is defective and won't allow the secondary pump to build pressure and causes it to die and has lack of power, most likely it started getting gutless before it happened.
Posted on Jun 17, 2009
On the inside trim, you can remove screws that are by the door handle, arm rest, under door and side of door and then gently pull back on the panel as there will also be retaining clips attached and you don't want to break them. You'll need to lift the door panel upwards in order to get it off the window ledge. Then you'll need to manipulate the panel and disconnect the door handle linkage from the door handle and disconnect the wiring for your controls.
Posted on Oct 14, 2009
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