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there is a fuse in the fuse panel under driverside dash. alternate is to use the "deactivate remote entry" button in the trunk. it was designed to increase security for valet service. the bummer is you'll have to lock/unlock doors and trunk manually with the key
That's in all prob the switch itself. If you can, open the switch panel & test if you have power & ground w/ a test lt as U move the switch back & forth, if OK, U need a switch. if no power or a bad ground-electrical short. sounds like a switch or the connection. Good luck Frank M (if elec short & U cant handle it, take it in.
check door locks fuses and relays.if all is good and you cant operate door lock buttons manually problem could be in the generic electronic module.if door locks dont work from the remote battery could be dead in remote transmitter.try to reset door locks control module first obtain all remote transmitter.sit inside vechicle with all doors closed.switch ignition from off to on 8 times in 10 seconds. doors should lock then unlock.when this procedure works then press any button on any of the remote transmitter doors should lock and unlock.if all fails let dealership fix..
If the key fob (remote?) unlocks the doors, the car access system presumably is working. This leaves the body-gateway module (BGM)which controls the locking/unlocking function. In the front fuse holder, there are four fuses, all of which supply power to the BGM. They are: 30A fuse F18, 30A fuse F10, 30A fuse F12, and 10A fuse F29.If the fuses check OK, The problem may lie in the door system locks which have both an unlock motor and a lock motor The motor or switches may be defective
Check your fuses first. Then check for power at the switches, and power from the switches to the respective solenoid and motor. Most likely it's fuses. Also check where the wiring runs through the door into the car for bare spots in the wiring that might have blown the fuses.
Take The Driverside Control panel Off The Door,And Check Conection On The Main Switches,These Vehicles Have Locks On Them, And If They get loose The Stop Working,Also Check The Little Switch Towards The Front of Panel,It Also May Be Loose,Use Caution,The Clips Are Fragile..
Your chevy uses two fuses for the system. The power lock actuators are on the 15 amp fuse inside the truck. The fuse for the switches (locks and mirrors) are under the hood. For 99 to 04 (I think those are the years) there is a TSB on replacing the 3 amp fuse under the hood with a 5 amp fuse because this is a well known problem of having these blow.
Your drivers side window is a different issue. If the rest are working your problem is in the motor or getting power to the motor. The wires that go from the body to the door often crack and break with the opening and closing of the door.