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Window, door locks, mirror controls and heated seat issues

Tiny
MADHATTER504
  • MEMBER
  • 2007 CADILLAC SRX
  • 3.6L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 126,000 MILES
Neither passenger side window will roll down. Passenger side door locks and power mirror controls don’t work from either passenger or driver’s side controls or from buttons on key fob. Also passenger side heated seat does not work, which the control is located on passenger door. All fuses and relays are good. What would cause this issue? Thanks in advance.

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Tuesday, February 23rd, 2021 AT 8:48 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
More then likely this is the passenger side door module but we need to start with one system like the windows and test for voltage and fix that issue. I suspect if we fix that it will fix all of them but we need to pick one and work through it.

I attached the wiring diagrams below to help run through this.

Here is a guide that will help with this testing:

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

Let us know what questions you have and we can go from there. Thanks
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Wednesday, February 24th, 2021 AT 8:32 AM

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