1999 Chevy Tahoe Rear Door Power Lock Not Working

The driver lock has completely quit and the other 3 doors work randomly.

1999 chevy tahoe rear door power lock not working.

The drivers side pdl never responds when the switch is used and the passenger occasinally works. However vehicles without door lock cylinders will not be able to lock or unlock the doors until power is restored. If they work then you ve narrowed down your problem. If the driver door lock switch doesn t work try the passenger door lock switch or any other door.

The rear barn door does t work as well. For vehicles with traditional style door lock cylinders and keys a bad power door lock relay will merely disable the power door lock feature. Here is my story. However when it is hot 104 f like it was today the locks do not respond to any of the switches driver front passenger.

Years ago the rear right door lock quit working but that is just extra info. Door locks on 3 of 4 doors 2009 tahoe 78000 miles. Very frustrating have always owned chevy but with oil cunsumption and this problem it will probably my last one. For vehicles equipped with door lock cylinders the door can still be opened using the key.

The other three door locks work fine when it is not hot. One of the easiest ways to diagnose the switch is by trying to use other door locks in the car.