Ghost locks

2009 CHEVROLET UPLANDER
38,000 MILES • 6 CYL • FWD • AUTOMATIC
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BERNOFF
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2009 Chev Uplander driver door looks all by itself whenever I leave the car unlocked
It happens say one out of 3 or 4 times.

I am not sure how long it takes after I have left the car and weather does not seem to be an issue.
Cheers
bernoff
Feb 17, 2011 at 6:17 AM
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BMRFIXIT
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Sounds as an alarm issue to me
check setting this is one of the settings for ex.
Last Door Closed Locking
The last door closed locking function is a vehicle personalization feature that is intended to allow the doors to be locked while passengers are exiting the vehicle. When last door closed locking function is in Active Mode, the body control module (BCM) will delay locking of the vehicle doors for 5 seconds after all of the doors have been closed. The last door closed locking function will be overridden if the BCM receives a door unlock input or a key in ignition input
Feb 17, 2011 at 12:20 PM