larsneumann59

Focus door lock failure

I've got a 2007 Ford Focus diesel with 148591 km on the clock. Recently, I've been having trouble with the doors. They just won't lock or unlock anymore, whether I use the key fob or the button inside. Could this be a faulty door contact signal? I've checked the fuses and they seem fine, so I'm not sure where to look next. Any ideas?

A 2007 Ford Focus experienced a failure in the door locking system, affecting all doors and rendering both the key fob and internal button ineffective. The issue was suspected to be related to a faulty door contact signal, possibly due to a defective cable or plug connection. It was recommended to have a workshop perform a diagnostic check to accurately identify the problem. The workshop confirmed a defective plug connection, which was repaired for 95€.

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4 comment(s)

The symptoms you are describing certainly point towards an issue with the door contact signal. When the system doesn't receive the correct signal, it's like the car doesn't know the door status. A defective cable or plug connection would explain this. Do all the doors exhibit the same behavior, or is it just one or two?

It seems to be affecting all the doors at the same time, not just one or two. Does that point to a specific area I should investigate?

If all doors are affected, it strongly suggests a problem with a central point, like the wiring harness or the control module itself. While you could try tracing the wiring, given the complexity of modern car electronics, the most reliable approach is to have a workshop perform a diagnostic check. This will help to pinpoint the exact location of the fault, and thus prevent unnecessary repairs. The repair bill should amount to about 95€.

Thanks for the advice. I took it to the workshop, and they confirmed it was a defective plug connection as you suggested. All fixed now for 95€!

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FOCUS