Unable to push locks down to lock doors and they won't lock with key either.
It could be that they have seized because of rust or something, spray with WD40 and then retry. Make sure they are the correct keys
SOURCE: 1996 caravan door ajar signal
one of the door switches is bad or loose any reputable shop should be able to diagnose which one
SOURCE: 1996 dodge grand caravan
my manual says, 1 close doors, 2 place key in ignition & turn key between off and on position for a total of 4 times ending in the off position (do not start engine), 3 press driver side door lock button to lock doors, 4 you will hear chime when programming is completed
SOURCE: 2002 Dodge Grand Caravan Driver Door Lock/Unlock Switch
sorry not sure the 12v prob will help this swtich works on 5v off 3v unlock 1v lock single wire lock/unlock logic signals
I found wiring diagrams at
http://www.dodge.com/bodybuilder/2004/docs/wd/rswd/tc.pdf
it is 2004 but use the wiring diagrams to test the wires
(most likely to fail where they flex)
because it is using logic gates disconnect the plug at each end of the wire you are testing or the damn thing will find a few diffrent ways to trick you.
SOURCE: 2006 Dodge Caravan - ONE power door lock stopped working
i have replaced many sliding door lock actuators on these vehicles..dealer part..mostly on passenger side sliding door..also possible you have a broken wire in door track harness..follow wiring from door into what looks like a plastic chain in door track at door opening
SOURCE: 2005 Grand Caravan power door lock quit working.
The lock actuator is probably broken in that door. We got one of the internet for 80$ and replaced it outselves and it solved this problem. IOD fuse is very temporary fix as system is sensing problem and flipping to protect itself like the breaker switches in the house.
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