Question about 2001 GMC Yukon Denali

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03 denali drivers seat heater does not work back and passengers working fine is there a fuse or relay I can replace or maybe a thermastat

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Look underneath seat the wire connector might have came loose

Posted on Dec 11, 2010

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Posted on Jan 02, 2017

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My 2005 Yukon xl driver seat heater won't work. Where is the fuse for it?


Not a fuse problem , more likely a burnt out element .
CHEVY GMC SEAT HEATER TROUBLESHOOTING YouTube

Your best bet , take it to a qualified repair shop.

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

Do you know what a electronic module is ?
DTC B2425 or B2430
Circuit Description
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 Descriptors
This diagnostic procedure supports the following DTCs:
• DTC B2425 Driver Seat Heater Circuit
• DTC B2430 Passenger Seat Heater Circuit

Do you know what a DTC - diagnostic trouble code is.

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1 Answer

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reconnect and the connect back the cabel joint under ther the driver seat

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1 Answer

Heated seat on drivers side


If the front passenger's seat heater works and 7.5A fuse 4 in the driver's underdash fuse/relay box and 20A fuse 3 in the passenger's underdash fuse/relay box are OK, the problem is in the driver's seat. The LO/HI switch could be defective or the seat and/or back heaters could be defective

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1 Answer

1999 Ford Explorer Power Drivers Seat doesn't work. When I push and of the switches, it doesn't go up, down, forward, backward, nothing. I check the fuses under the hood and didn't find any blown. I...


Maybe you problem is with the switch, or check if power seat circuit has the regular fuse or rather one of those thermal ones.
Passenger compartment fuse panel
The fuse panel is located on the left hand side of the instrument panel facing the drivers side door.

Position 18 25A - Drivers Unlock Relay, All Unlock Relay, All Lock Relay, Power Seats

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1 Answer

I have a 2006 GMC Envoy Denali. The power locks on both the rear passenger side wont unlock automatically. i have to manually unlock it. although the automatic lock option works. All the other doors work...


both the rear passenger side wont unlock ???? How many doors are on the passenger side ? Or both back doors don't unlock ? Two relays lock / unlock the back door's Not the lift gate . The BCM controls the relay's . The relay's are located in the rear fuse box . Under back seat .

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There are different fuses. check your fuses properly.

rate this fixya

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Identical thing here with my '03 Surburban LT.

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1 Answer

Drivers side seat heater won't warm the seat


sounds like a bad relay. Look in the owners manual or on the fusebox cover. It will not be a fuse, but a silvery looking box that pulls out. Youll have to check the documentation to see which one it is in your vehicle.
Sometimes it is under the seat in a Volvo.
check the relay under the seat, make sure it hasn't worked its way loose. if its still tight, the heater pad itself has probably checked out.
If its not the relay, and you want to save some $$, replace the drivers side with the P/S. 'F' the passenger :)

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1 Answer

Front driver and passenger windows don't work


replace the relay and see if that works.

Robert

Nov 03, 2008 | 2003 GMC Yukon Denali

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