Lock stuck in unlocked position
Disconnected wiring inside the door Bad solenoid activator or just disconnected linkage.
Not the same year but close to the same.
How To Install Replace Power Lock Switch 2000 05 Chevy Cavalier Pontiac...
SOURCE: power sliding door lock
I had the power sliding side door locks recalled on my 2003 Venture at Dealers expense.
SOURCE: 4 door 2001 chevy blazer front power locks will not work.
SOUND LIKE THE DRIVERS DOOR LOCK SWITCH IS STUCK IN THE UNLOCK POSITION. SINCE THE DRIVERS DOOR LOCK SWITCH OVER-RIDES THE PASSENGER DOOR, I WOULD REPLACE THE SWITCH WITH A NEW ONE. HOPE THIS SOLVES THE PROBLEM. GOOD LUCK. KEEP US POSTED, WE ARE ANXIOUS TO KNOW.
SOURCE: power lock, driver door, stuck in lock position.
Take a spray can of WD-40 or similar penetrating lubricant, and attach the little nozzle that comes with it. Stick that nozzle inside key hole as far as you can get it, and start spraying. Soak it good, and draw nozzle out slowly as you keep spraying, so that you get as much in all areas inside the tumbler as you can. Now open door and spray all around latch area, in behind, down the sides, and give it a good soaking as well. Try to also aim spray nozzle at back of key tumbler if you can from that hole where the latch is. Now let it sit for a 10 minutes or so to start working, then try moving lever, as well as try turning key in door as well, but don't force it to the point that you bend the key. Keep trying if it doesn't work at first, and give a little more spray each time, until it finally loosens up. Let me know if you get it moving.
SOURCE: 98 Chev Blazer. power lock
you may just have a bad connection under the lock button under switch panel on your drivers door. check electrical plug in at door lock switch by removing that panel from driver door.it may be that you have to replace that door lock switch .thers only one fuse for door locks and if pass side works, it's not blown.
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Driver door lock switch
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Front passenger door lock switch
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Door lock actuators in each of the doors
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Door lock system fuse into the BCM (BCM D 25A fuse)
Door Lock Operation
When the BCM detects a transition of either of the door lock switches to the LOCK position, it switches the door lock actuator lock control circuit to voltage. Since the lock actuator unlock control circuits are at ground potential within the BCM, the door lock actuator motors transition to the Lock position.
Driver Door Unlock Operation
When the BCM detects a transition of either of the door lock switches to the UNLOCK position, it switches the driver door lock actuator unlock control circuit to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the LF door lock actuator motor transitions to the Unlock position.
The driver door lock actuator unlock control circuit is a dedicated control circuit used only for the driver door lock actuator motor. This is done so that the driver door may be unlocked by itself using a keyless entry transmitter or an automatic door unlock function (if programmed).
Passenger Door Unlock Operation
When the BCM detects a transition of either of the door lock switches to the UNLOCK position, it switches the door lock actuator unlock control circuits to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the passenger door lock actuator motors transition to the Unlock position.
The door lock actuator unlock control circuits are dedicated control circuits used only for the passenger door lock actuator motors. This is done so that the driver door may be unlocked seperate from the passenger doors using a keyless entry transmitter or an automatic door unlock function (if programmed). This video on testing computer controlled door locks on a Subaru , doesn't matter . test yours same way > The BCM controls your door locks .
Are all of the power door locks inoperative from both door lock switches?
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