Question about 1994 Chevrolet Cavalier
Power locks on 94 chevy cavalier 4dr are not working very well, sometimes wont work, as well as the front passenger door lock not disengaging from the inside. I can use the key on the door and unlock it, but it takes some muscle, and from the inside the power lock will not unlock it, and manually trying to push the lock to unlock it takes alot of strength, like maybe something inside the door is unaligned or jamming it, not sure what to do to fix this problem.
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Posted on Jan 02, 2017
your issue involves the master control switch panel on the drivers side and or the passenger side as well some how the contact inside the switch assembly has either shorted out or no longer makes contact for the unlock side of the circuit. replace the drivers side panel switchs it's either a series of switc hs or mostimes one sigle board of switchs. you are better off going to an auto parts store rather than a GM dealership this will save you quite a bit on cash on the parts. now as to the rear tailgate. if it is electronic controled and there is an issue with the master switch you can,t manually unlock it because of a safty issue built in the system. you can manually unlock the passenger compartment doors for thew same reasons of safety but doesn't apply to the tailgate. just replace the parts and this will take care of the problem
Posted on Apr 18, 2009
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.
Posted on Apr 30, 2009
if you have any knowledge of automotivce electrical, (and that you need to use a "circuit tester" and not a test light) test for power when someone presses the button. it wouldnt be uncommon for most vehicles for the lock actuator/solenoid/duty actuator to wear out, get weak and fail. this is most probable. given that this is an 08, have you checked withe dealer to see if its still under warranty. if we are only talking a few miles and they wont do anything, look in your owners handbook and get the 1 800 number and get GM's customer service involved. cheers.
Posted on Dec 02, 2009
SOURCE: door locks and power window
Just did this procedure I got from coloradofans.com forums:
"any type of power/voltage change seems to trigger this issue
The most common symptom is power locks fail and only the driver window quits, however that is on the extended cab.
Steps to fix and it works every time.
take door panel off driver's door
Disconnect the wiring attached to window and power lock control unit
disconnect battery cables
connect the negative to the positive cable(((NO BATTERY CONNECTED)))
This will act to short residual voltage in the system
5 minutes later
place the key in the ignition and turn to the run position
connect the wiring to the window/lock controller
connect the negative cable to the battery
then the positive
open drivers side door
turn key to the off position((do not remove yet)) you should get a series of dings through speakers telling you the key is still in the ignition
once it begins dinging pull the key out and you should hear the door lock solenoids trigger and the windows should work." - Coloradofans.com forums
Posted on Mar 20, 2010
Tips for a great answer:
The driver door module (DDM)
The passenger door module (PDM)
The rear door module (RDM)
The LH front power door lock switch
The RH front power door lock switch
The LH front door lock actuator
The RH front door lock actuator
The LH rear door lock actuator
The RH rear door lock actuator
The remote control door lock receiver (RCDLR)
The power door serial data circuit
The class 2 serial data circuit
The DRVMDL Fuse - 10 amp
The PDM Fuse - 10 amp
The RRINMDL Fuse - 10 a
Class 2 and Power Door Serial Data Links
The class 2 and power door data circuits are both serial data links. The serial data circuits replace cables in the vehicle by multiplexing (time-sharing) data to and from each device over a single wire referenced to ground. If the power door serial data is lost, both the rear door module (RDM) and the passenger door module (PDM) enters the sleep mode. With the RDM and the PDM in sleep mode, no power door operations are possible.
Your best bet is to take it to the dealer or an ASE certified repair shop .
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