Question about 2004 Ford Excursion

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Driver's side seat heater switch will not turn off

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The switch needs to be replaced, it is supposed to remain on for several minutes. The part is available from your friendly Ford dealership. Contact me at FixYa if I can be of further assistance. Thank you.

Posted on Sep 26, 2010

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Posted on Jan 02, 2017

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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

Dec 08, 2016 | GMC Yukon Denali Cars & Trucks

1 Answer

I have a 2003 trailblazer ltz. The driver side power seat and seat heater just quit working all of the sudden. The passenger side still works fine. What would be the cause?


The power seat and the seat heater should be on seperate circuits. The only thing that comes to mind in relation would be the wiring connections under the seat. If the power seat and heat control are on the same switch assembly, I would suspect a switch failure

Mar 17, 2016 | Seat Cars & Trucks

1 Answer

Why does my drivers side seat heater keep turning off in my 2012 touareg?


Occupying switch. Pressure switch. Goes on when seated and turns off when not sitting!
Have a great one!

Mar 31, 2015 | Volkswagen Touareg Cars & Trucks

2 Answers

Power steering fluid is low again after 1 week. Luke warm air blowing when heat is on. Driver side heated seat works intermittently. Does anyone know where the replacement turn signal flasher goes?


Rack and pinion most likely leaking, Check thermostat on heater problem, seat heaters work on the purge switching so is more than likely the switch, most flashers are plugged into fuse box. If not are clipped on solid near car radio use turn signal switch manually and see if you can hear it clicking as you work switch off and on

Mar 23, 2011 | 2000 Oldsmobile Intrigue

1 Answer

I guess Its a issue they need to recall I have a 02 intrigue drivers seat heater does the same thing turns off almost immediately after turning it on and today my rear drivers side windows decided it was...


The heater element in the seat has an open circuit. I had this identical problem with myAurora. I replaced the the bottom element with a after market seat heater. I had to rewire by connecting a ground wire and 12volt supply (from disconnected plug connector under seat) The element in the seat back was okay. I switched the plug connector so it was compatible with the new element. I was able to remove the seat cover (leather) from the front and right side enough to be able to replace the seat element without removing the seat from the car. Unfortunately the new switch is round and not compatible with original switch , but I now have a restored heated seat for $65.00 and 3 hours of my time.
the Duke

Nov 21, 2010 | 2001 Oldsmobile Aurora

1 Answer

Hello, I have a 2006 2500HD 6.6 vin 2. The drivers side seat heater has been coming on and going off by itself. Ideas?


I have had the same problem with my Silverado truck, driver's side seat heater. Previous 3 chev dealer repair efforts focused on the Drivers Door Module, replacing, then reprogramming it, and also replacing the seat heater switch (in door). However, I found a Tech Service Bulletin on alldatadiy which says you need to reprogram the Driver Seat Module (not Door Module), and I am taking it back to dealer tomorrow. Will report on results.

Oct 27, 2010 | Chevrolet Silverado 2500HD Cars & Trucks

1 Answer

The driver heated seat has stopped working in a


Try swappingt the heater seat switch from the passanger side switch to see if thats the problem.

Nov 16, 2009 | 2005 Ford Explorer

2 Answers

Heated seats


The body control module in this vehicle sees a short in the seat heater system. These vehiucles are typical of the heater wiring shorting out. When you try to use the bad heater the computer shuts off all the heaters.

You will need to install a new seat heater pad.

Sep 05, 2009 | 2004 Cadillac Escalade Esv

1 Answer

Driver side seat heaters


This is a common problem, if the lights come on the switch ( which confirms your relay is working) then it is the heater in the seat itself. Dealer only part.
Hope this helps

Jan 12, 2009 | 2005 Ford Freestar

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