Door lock will not work with the remote are the door switch. Drives door does work but none of the other doors do. You can unlock them by hand, then you can lock them with the switch but they will not unlock.
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Re: 1996 GMC SUBURBAN
This sounds like a BCM (body control module) problem, the module controls these functions, the dealer can hook up a tester and very quickly find out what the problem is.
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if the key does not turn the lock spray it out with wd 40 run key in and out of lock few times.because everyone uses remotes to open their cars the waffers in the door locks get coroded and wont fall in proper place when key is inserted.give it good cleaning and see if it will unlock
lock with key,electric door lock button,or remote and alarm will set. to disarm you have to use the key or remote to open it.the reason it woulnt disarm from drivers door is either the door lock cylinder switch is broken or the wire to it in the rubber boot that connects the door and the body is broken.
the remotes are cheap and programing is easy,procedure in owners manuel something like lock drive door with elkect. lock switch with door open then push and hold unlock untill doors unlock then turn key off.you may have to fix that drive door lock cyl.switch first though mabee not dont know for sure
this problem i have repaired many times.. it is normally a broken wire in the flexible rubber tube between the door and the doorjamb from years of flexing back and forth when you open and close the door.. i hope that helps
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..
there is a relay but if it were bad none of your locks would work. your problem is the door lock motor it is a little electric motor that actuates the lock. its also called a door lock actuator. kind of expensive and a little difficult to replace.
if you can here relays when unlocking/locking check for power at door lock actuators inside doors, if you have power on lock/unlock and good earth from connector actuators are faulty.
if no power on test light when operating check output from central door lock module while operating, none coming out of module then it might need replacing.
check 30Amp power fuse for main relay under bonnet (which goes to pin 8 white/blue on module)and 10Amp gauge fuse in cab(pin 1 blue/red on module),pin 15 is also power when relay is on(red/blue) with test light, and module/ actuators.
check outputs from module pin 3 & 4
that go to door locks
I had same problem on my 99' Suburban and found it was that the accessory fuse (25A,) had blown due to a shorted accessory. I replaced the fuse after determining the short and door locks started working once again with door switches.
I do have a book on the 1996 but no on me but I have had a problem with it the same, Get in and sit in the drivers set and push lock from the in side and then do the same but this time unlock it and then get out and try to use the remote. if no then try to do the same thing but in the passenger side. lock and then unlock. no then call the ford dealer shop and they have a alarm department that will help you and I know because I had then do a job on one of my other cars and I was charged $20.00 he did it on a side job.