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Re: Driver Seat heater not working,Advanced Tracking...
Check to see if there is a separate fuse for each seat and also to find out if the heat element is unpluged or just burned out stop by a dealer and check in the parts department and at the same time you can get a price and exact location where it is located in the seat cause you may have to remove the seat covers to repair it or replace
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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?
Both of the front seat heaters run off of the same 2 fuses, so the problem is not a fuse if the passenger seat is working. Each seat has a separate electronic control module, so a bad driver's seat module could be the problem. The seatalso has 2 elements - onefor the seat cushion and one for the seat back. If one is heating and the other is not, then the problem is probably a failed element. If neither element is heating, then the moduleis most likely at fault. The modules in the seats are controlled by the Body Control module (BCM), so the problem could also be a fault in the class2 data circuit between the BCM and the driver's seat module.
In any case, a scan of your BCM will probably yield a fault code that will lead you in the right direction.
have had my drive seat fixed 3 times and is being repair as we speak for the fourth. Passenger side I had repaired once and it is out now also. I love my Navie, but the seat accessories are junk. I too, have a 2000. If you can bear with me for about a week, I will know why these are not working and will be able to follow up with you about yours first hand instead of guessing. Fair enough?