Question about 2001 Chevrolet Impala

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Driver heater seat will not turn off when engine is off

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Recommend to use flashlight and locate the wires to the underseat heater, There should be a pair coming up from the floorcarpet under the seat to the seat itself. Be really sure you have the correct wires, not the power seat wires. Suggest to cut those wires with scissors and separately tape each end of the wire coming up from the floorcarpet to prevent shorting out. Need to find someone who can work on the problem before hooking up the wires again. Without taking this step, you should have a dead battery quickly.

Posted on Jan 05, 2013

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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

2010 camero 2ss my driver side heated seat I hit the button it clicks in then it turns off but I here evrything clicking on so what should I change


There are a few things, but commonly, the heater located in the seat has broken or grounded out. The heather is usually a wire that runs under the seat cover (leather) and above the seat foam.

The system immediately turns the heater off to avoid a fire.

Have this inspected and repaired by a qualified/certified shop. This link may help, if you are able to do this type of work:
http://www.camaro5.com/forums/showthread.php?t=271981

Dec 16, 2015 | Seat Cars & Trucks

1 Answer

2003 Yukon Denali.driver car seat heater don't wonk


The seat heater grid is likely shorted.

Feb 22, 2014 | 2003 GMC Yukon XL

1 Answer

Seat heater stuck on, Acura TL


Check your fusebox for the fuse and remove the fuse, this will turn off the seat heater.
There are two fuse boxes, one under the dash and one in the engine bay.
Your seat heater is designed to run continuously so is most likely safe th drive the 10 miles to your dealer.

Mar 24, 2010 | 2004 Acura TL

1 Answer

The heater and power seat in driver seat no work


your going to have to test for power, make sure power is going to switch and that when switch is turned on then power comes out of switch, if all test good then the heater element in the seat needs replacing.

Dec 26, 2009 | 2004 Chevrolet Avalanche

1 Answer

Back heaters work - seat heaters don't on both driver and passenger seats


replace the fuse...there is a fuse box in the engine area as well as on the side of the steering wheel inside

Dec 16, 2009 | 2002 Chevrolet Tahoe

1 Answer

Our Driver Seat Heaters and passenger seat will turn on for 2 sec


When this was happening on my Envoy it ended up being the seat heaters control module that was going out. About $600 a seat on mine. Just wish my repair center found that out before they replaced the seat heaters twice.

Nov 13, 2009 | 2003 GMC Yukon Denali

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

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