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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.
? 1:44 https://www.youtube.com/watch?v=EDh-0rs5Fjo
Oct 26, 2010 - Uploaded by automdvideos
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Drivers seat is dead! No power seat or heat. - TheDieselGarage.comwww.thedieselgarage.com/.../96465-drivers-seat-dead-no-power-seat-hea...Mar 22, 2010 - 2003-2005 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2003-2005.... Power seat on driver side didn't work.....passenger did! Neither ...DANG electric seat ' Chevy Truck Forum ' GM Truck Clubwww.gmtruckclub.com/forum/threads/dang-electric-seat.2990/Apr 27, 2006 - 10 posts - 7 authors'03 Tahoe My driver seat just stopped, of corse not where I need it, the ... I have a 2003Tahoe and both heated seats are not working. ... with my seat heater on the drivers seat in my 03 Avalanche, it turns ... The driver's side on my Silverado gets way warmer than the passenger side. ... Frozen New Member.Power Seat Problems?? - Tahoe Forum - Che
Check underneath the seat for an inline fuse. It is a glass type fuse in a fuse holder that you have to push and twist to get out.----------------------------------------------------------------------------- XPROG-M
ITs the power seat motor itself. unplug the harness conected below the seat switch and check if it reciving and current when the switch in on if it does then reconnect it and chech the current on the other wires when u move the switch if it doed then bro u need a new motor .There are four bolts located below the seat.open them and check for a new motor...
hello, have someone check all fuses-and plugs for the power seat, they may be a relay for this problem, can call autoparts store and ask about any relays for the heated seats and the power seat, if thats not it you may have to replace, electric motor for seat, sounds like a fuse, the way it all quit working..
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.
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