Heat seat is not working. - Toyota Sienna Forum - siennachat.com
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post #1 of 3 (permalink) Old 11-13-2013, 10:24 PM Thread Starter
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Join Date: Nov 2013
Posts: 1
Heat seat is not working.

Passenger Heated Seat does not heat, driver side is ok. Also, the dial light works sporadically.
svanhorn is offline  
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post #2 of 3 (permalink) Old 04-11-2014, 02:34 PM
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Join Date: Mar 2013
Posts: 15
Re: Heat seat is not working.

Here's a TSB for the seat heaters.
Attached Files
File Type: pdf TSB_AC005_04_R Seat Heater 24Sep2004 (1).pdf (272.3 KB, 36 views)
TexasScott is offline  
post #3 of 3 (permalink) Old 05-20-2014, 01:02 PM
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Join Date: Sep 2012
Location: Calgary Alberta T2T6A9
Posts: 11
Re: Heat seat is not working.

I took my passenger seat completely apart and found that the wiring to the heater cord was broken to create an open circuit. Then I soldered them back together and re-assembled........ much hard work such that I would not proceed to do the same with the driver's seat........ It's a wear and tear issue........ and new seats will cost you about $1100 each......
My recommendation: Don't buy vehicles with electric heated seats unless you intend to sell them to others some time before the heated seats fail!!!!!
Graydon Tranquilla is offline  

heat, seat, working

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