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Second row heated seats not working properly

Tiny
RAMSEY67
  • MEMBER
  • 2009 CADILLAC ESCALADE ESV
  • 6.2L
  • V8
  • 4WD
  • AUTOMATIC
  • 189,000 MILES
Second row bucket seats have heat control on the back of the center console. When you press the heat button it does not light up and you get no heat in seats. The second row has a power fold that works and all other functions of the rear facing console do work. How do I get heat to make my Mother-in-Law happy?
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Sunday, May 1st, 2022 AT 11:27 AM

3 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hopefully this is just a fuse issue. So, we need to start with checking the rear seat fuse in the IP fuse block. This is on the left side of the dash.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

However, if the folding seats work then it is unlikely the cause because I believe they share the same fuse.

So that means we could just have a faulty module. Basically, if you have power and ground but nothing coming out of the module on the control circuits for the rear heating elements then the module has failed.

https://www.2carpros.com/articles/how-to-check-wiring

Please run through this and let me know what questions you have.

Thanks
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Monday, May 2nd, 2022 AT 12:54 PM
Tiny
RAMSEY67
  • MEMBER
  • 2 POSTS
KennyK. Appreciate the info. I was able to find module under driver’s side second row seat and found a loose plug. Plugged in and now seats heat. Thank you and my M-I-L thanks you also.
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Friday, May 6th, 2022 AT 3:06 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
That is great. Thanks for coming back and updating us. I am so glad that you are going to be on the in-laws' good side. Thanks again.
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Friday, May 6th, 2022 AT 4:58 PM

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