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Trax Central Locking Failure

Central locking on my 2016 Chevrolet Trax diesel has stopped working. Key fob and inside button don't lock or unlock. OBD reader shows a locking system error. Fuses are fine. Could it be a defective cable or connection? Anyone seen this?

The central locking system on a 2016 Chevrolet Trax diesel stopped working, with both the key fob and inside button failing to operate. An OBD reader indicated a locking system error, but fuses were intact. A possible cause suggested was a defective cable or connection, specifically in the wiring harness of the driver's side door. Upon professional inspection, a broken wire was found and repaired, resolving the issue.

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4 comment(s)

I had a similar problem with my Trax. Have you checked the wiring harness that goes into the door? Those can sometimes get damaged.

Thanks. Which door on your Trax? Was it visibly damaged, or did you need a multimeter?

It was the driver's side door. I didn't diagnose it myself, I took it to a workshop. They found the broken wire quickly. Might be worth a professional check.

Thanks. Shop found a broken wire in the door harness, just like you said. They repaired it, and the central locking works again. Cost 95€, appreciate the help!

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CHEVROLET

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TRAX