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Q: trunk locking mechanism on 2002 Volkswagen Jetta

my trunk locking mechanism has broken. i can manually move the lock back and forth, but it no longer electronically locks. can you please provide an estimated cost to repair?

much appreciated,
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I had the same problem with my 2002 Jetta, and I'd put money on it it's the same fix, especially with your comment about the reverse lights failing. If you open your trunk, you can see a wrapped bundle of wires that is clipped to the left trunk hinge mechanism. There's a point where this bundle kinks a bit, and over time the smaller wires inside become brittle and crack. When the various cracked wires touch each other it causes shorts. I fixed it myself using a fantastic online howto for this exact issue, which I unfortunately cannot find right now.

Oh, and the wires that run through this bundle run the reverse lights, the license plate light and the trunk latch/sensor. (Maybe more but that's what I know of.) So could cause problems with various combinations thereof.

(Came back and edited my answer because I found the link:
The trunk release on your car is controlled by the Convenience Module. Fuse 11 and fuse 44 are involved ..are they OK ? If all other convenience features work , i.e. power door locks and sunroof , the problem may well be the lock solenoid/motor itself. You would have to confirm this by accessing the trunk release motor and checking for operating voltage at release motor (red/blue wire) and if need be check at brown five pin connector at the trunk lid.
The Back up lights use fuse 13....
not sure about the fuse. no sounds or movement whatsoever when i operate the trunk release button of the remote unlock. think there is any connection between the wiring here and that of my reverse lights? both reverse lights went out at the same time, and close to when the trunk lock broke...
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