2003 driver door lock actuator intermittent cutout

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kuhdwi

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Apr 17, 2020
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Wyoming
My 2003 Tahoe LS 4x4 driver door lock actuator quit locking for 3 days then mysteriously started working again. Weather was in the 50's during the day, below freezing at night. (Typical Wyoming winter weather)
The door latched securely, no worries about opening while driving.
The key fob did not lock the door.
The outside key cylinder did not lock, and the inside slide did not work either. The key cylinder did turn to the right to unlock.
The rest of the doors and the liftgate did lock properly.
The alarm would go off if opening the driver's door while the rest of the doors were locked.
If this is a one time thing, I won't worry about it.
If likely to happen again, where should I look for repair or replace items?
(VIN 1GNEK13Z93J226687 with 186,500 miles)
 

jjjbluray

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Did you ever figure this out? Was it the lock actuator? My ‘03 is doing this!
 

S33k3r

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Did you ever figure this out? Was it the lock actuator? My ‘03 is doing this!
Find a partout on FB Marketplace, Craigstlist, etc. Get a whole door for cheap. Pull the actuator on it, install it in yours and see if it solves the problem. Otherwise you are going to need to do a bunch of testing -- which you may need to do anyway.

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