Question about 2003 Chevrolet Silverado 2500HD

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Heated seat problems

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.

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  • william moody May 11, 2010

    have you checked to see if there is a notice or recall on the seat heater

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  • Chevrolet Master
  • 15,575 Answers

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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6 Suggested Answers

6ya6ya

6ya staff

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Posted on Jan 02, 2017

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Anonymous

  • 160 Answers

SOURCE: heated seats don't work

it should be in the fuse panle if the heated seates dont work then something esle should not work in the truck if it s a fuse

Posted on Dec 07, 2008

Bruce Hathcock

  • 3600 Answers

SOURCE: 2004 chev 2500 duramax diesel no start and no fuel pressure

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

Anonymous

  • 3 Answers

SOURCE: Driver Heated Seat 03 Suburban

Identical thing here with my '03 Surburban LT.

Posted on Aug 02, 2009

super_guy

  • 1986 Answers

SOURCE: how do you take off a rear door panel 05 chev pu

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

wilsodfarm

Donnie Wilson

  • 986 Answers

SOURCE: 2006 chevy truck 3500 hd duramax diesel with an

658 is a unknown code on the list,is your active or inactive,iif inactive I would not worry about it

Posted on Nov 03, 2009

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1 Answer

Seat heater comes on by itself in 2004 yukon denali


Heated Seat Components
The heated seat system consists of the following components:
• Driver and passenger heated seat switches
• Driver and passenger seat back heater elements
• Driver and passenger seat cushion heater elements
• Driver and passenger seat back temperature sensors
• Driver seat module
• Driver door module
• Passenger door module
When there are modules involved in the operation of any componet that's acting up , the module's electronic's could be the culprit ! But without testing who's to say what the problem could be !
I would have it check for DTC'S
DTC B2425 or B2430
The driver and passenger seat heaters are controlled by the driver seat module. Power is supplied to the driver seat cushion and back heater elements through individual voltage supply circuits. Power is supplied to the passenger seat cushion and back heater elements through a common voltage supply circuit. All of the driver and passenger seat heater elements are grounded by the driver seat module through individual low side drive control circuits. The heater element control circuits are pulse width modulated to ground by the driver seat module in order to control the seat temperatures by regulating the current flow through the heater elements.
DTC B2435 or B2440
The driver seat module relies on inputs from thermistors installed in the driver and passenger seat backs to control heated seat temperatures. The thermistors are 2-wire sensors supplied with a 5-volt referenced signal circuit and low reference circuit from the driver seat module. Resistance through the thermistors varies with temperature causing the heated seat sensor signal circuit voltage levels to decrease as the seat back temperatures rise.
Install a scan tool.
Start the engine.
Turn the heated seat ON.
With a scan tool, observe the Heated Seat Sensor parameter in the data list for the driver seat module.
Does the scan tool indicate that the heated seat sensor parameter is within the specified range?
0.078-4.94 V

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I have a 04 yukon both front heated seats come on for 10-30 sec than go off both started at the same time so i dont think its in the seats its self (HEATING WIRES) any help would be great


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 messing up the seat module which controls the heaters too. My 05 Suburban had the same issue. Can check by unplugging sensor and see if heated seats work .

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Heated seats won't stay on in 2004 GMC Yukon Denali


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Heated seats don't work


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. Can check by unplugging switch and see if heated seats work .

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