Can not open passenger door from outside - Cadillac Forum - Enthusiast forums for Cadillac Owners

Cadillac STS The newest installation of the performance sedan from Cadillac, having replaced the Seville

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Old 08-07-2018, 09:25 PM
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Join Date: Aug 2011
Location: Four Oaks, NC
Posts: 5
Default Can not open passenger door from outside

I have a 2008 STS. The rear passenger door can not be opened from the outside. I can open from the inside. Will not unlock using remote or driver control.
I have searched the forum and You Tube for how to test and replace a rear door lock module on my model Caddy...
Lots of info on CTS , Nothing I can find on STS other than it ain't like the STS.
I would greatly appreciate instructions on removing the lock module.
Testing the existiing module
The part number for the module
Installing lock module
A good supplier for this part.

and if that ain't enough tonight the "Service Air Bag" alarm popped up

Please help before anything else happens.
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