2008 Chevy Uplander Aotomatic Door Lock Not Working

I have a 2008 chevy uplander ls.
2008 chevy uplander aotomatic door lock not working. Years ago the rear right door lock quit working but that is just extra info. All doors will unlock with all the switches and remotes. 2008 chevrolet uplander for sale. You asked this chevy question on 7 6 2011 for 18.
The doors also lock automatically as they should when you take off and drive. I got a new key fob and had a locksmith try to program the fob. I have googled and found that there could be corroded wiring inside the b pillar. The delay lock feature also does not work.
For vehicles with traditional style door lock cylinders and keys a bad power door lock relay will merely disable the power door lock feature. The drivers side sliding door will not work under automatic mode and will not latch. I have a 2005 chevy uplander and the auto door alarm is on. My 2008 chev uplander power door locks work only intermittently.
My key fobs quit working on my 2008 chevy uplander. The other three door locks work fine when it is not hot. All power door locks disabled not working 2008 uplander just purchased as is not from remote or lock button. Periodically the automatic locks on the sliding door will work with the key fob and the front switches.
All other door lock with key fob or interior door lock button. 2007 chevrolet uplander for sale. He thought there was a fuse out or antennae problem in the van where is the keyless remote module located and if you know what fuse would that be so i can check it out. The power door lock will not lock with either door switch unless the doors are closed.
Ecm tests twice find nothing wrong. However it will not lock the doors from any switches or remote and on going into gear nothing locks. However vehicles without door lock cylinders will not be able to lock or unlock the doors until power is restored. Here is my story.
I have a 2005 chevrolet uplander lx with automatic rear sliding doors. Auto rear hatch will not lock my rear hatch on 2008 chevy uplander will not lock. It is not fuses those checked ok. Dan i have a 2008 chevy uplander that i am suddenly having door lock unlock problems with.
When the switch is pressed for the first time the chime sounds as if it is arming the system to lock the doors but it never does. If the vehicle has been sitting the door locks will function normally and lock or unlock with either the driver s side or passenger side door switches or the remote. His instrument to program it keeps saying it cannot connect. Usually this is in cold weather.
However when it is hot 104 f like it was today the locks do not respond to any of the switches driver front passenger. It is a 2002 honda accord 4cyl special edition. When the weather warms up they stop working and i have to unlock them manually. Is it the auto mechanism inside rear panel that needs to be lubed.
For vehicles equipped with door lock cylinders the door can still be opened using the key. Myself and answered by a verified chevy mechanic. Mar 25 2018 2008 chevrolet uplander.