Left rear door doesn't unlock

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Keefe007

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2015 Tahoe PPV

The left year door lock doesn't unlock when pressing the driver unlock button. All 3 other doors unlock fine. I don't hear any clicking in the LR actuator. What's interesting is that I do hear the left rear actuator do something when I enable or disable child locks.

What could be the issue?
 

Bill 1960

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Could be the actuator, or something the cop shop did to the wiring, or the linkages inside the door.

Unfortunately they do not all use a standard method to disable the rear doors.
 
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Keefe007

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The upfitter said it should be working and it did seem to work when i first got the vehicle but after taking the door panel off and then back on it doesn't work anymore.
 

Pivot

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I'm having the exact same issue on the exact same door. Sometimes it doesn't unlock, sometimes it doesn't lock, sometimes it's fine. I also hear a sound in there when I press the lock/unlock button, so I feel like it's trying to move. Been too lazy to take the panel off to investigate, since it's intermittent. Would imagine it could somehow be binding someplace? Thanks for the reminder to add this to the ever-present punch list. Good fortune with the fix
 

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