The door lock, window switch, heated seat switch, as well as my power seat switch are not working

2004 CADILLAC ESCALADE

216,000 MILES • 6.0L • V8 • 4WD • AUTOMATIC

MERKUM901

MEMBER
12 POSTS

Hello guys! Can anyone assist me with a no power problem on the passenger side of my vehicle listed above? I can't control the window or the lock on that side from the driver switch also. The driver side switches are fine. Thanks in advance guys.

Jun 29, 2022 at 11:48 PM

STRAILER

✓Experienced Mechanic
55,065 POSTS

This happens when the passenger's side door module goes out. To be sure let's do a CAN scan which is the future of automotive repair. You can get a CAN scanner from Amazon for about $30.00. Here is a video to show you how and a link to a scanner from Amazon. I have included the instructions on how to change the PDM out in the diagrams below.

https://youtu.be/u-4syLc-ifQ

and

https://amzn.to/3OpAotj for the scanner

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.

Images (Click to enlarge)

Professional Diagram for 2CarPros Members
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Jul 1, 2022 at 2:26 AM