Key Fob - Bizarre Behavior

Okay, this is a bit strange as my key fob(s) have begun to act up on my 2005 Silverado.

Symptom: The key fob will activate the lock sequence when I am nearby, but not the unlock. It doesn't matter what distance I am from the vehicle, the unlock will not activate.

New batteries put in the key fob (I tried two different fobs). I also have a new battery in the vehicle.

I reprogrammed the key fobs and they activated on the lock, did it again, same symptom - no unlock sequence. There is no click or other indication that the unlock is being activated.

I've tried this with three different key fobs (including one that is the original that came with the vehicle).

Okay, this is a bit strange as my key fob(s) have begun to act up on my 2005 Silverado.

Symptom: The key fob will activate the lock sequence when I am nearby, but not the unlock. It doesn't matter what distance I am from the vehicle, the unlock will not activate.

New batteries put in the key fob (I tried two different fobs). I also have a new battery in the vehicle.

I reprogrammed the key fobs and they activated on the lock, did it again, same symptom - no unlock sequence. There is no click or other indication that the unlock is being activated.

I've tried this with three different key fobs (including one that is the original that came with the vehicle).

probably the unlock relay ...

on my 1996 it was the relay in the vehicle receiver that was not unlocking the driver door .

all doors locked the other 3 unlocked but not the driver door..

probably the unlock relay ...

on my 1996 it was the relay in the vehicle receiver that was not unlocking the driver door .

all doors locked the other 3 unlocked but not the driver door..

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Thanks, I'll give that a try...

Dale