Question about 2007 Chevrolet Avalanche LTZ

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I have a 07 Avalanche LTZ that will not unlock the back doors and tail gate when the unlock sensor on the driver or passenger door are pressed or if the unlock button is press on the keyless remote.

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Unfortunately it is probably the lock actuators on all three, this is a known problem on those, I have worked at a chevy dealer for along time and have seen this many times usually due to water intrusion in the connector at the lock actuator, have been lucky a few times and been able to clean the connectors..

Posted on Sep 09, 2010

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TRY PRESSING KEY UNLOCK BUTTON ONCE UNLOCKS DRIVERS DOOR ONLY AND DEACTIVATE ALARM. TRY PRESSING KEY UNLOCK BUTTON TWICE WITHIN 5 SECONDS UNLOCKS ALL DOORS AND TAIL GATE.

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Tail gate door will not unlock and open


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Passenger door is died no power


The passenger door switch wire harness may be damaged. All the things you have listed work through the passenger door switch. It can be damaged when water or any other fluid enters the switch assembly.

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1 Answer

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Remote lock for back doors and rear tail gate door


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