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juergenjung32

Peugeot 307 central locking failure

My 2001 Peugeot 307 diesel with 196943 km has a central locking system that's stopped working. The doors won't lock or unlock. I think the door contact signal circuit might be faulty. Any ideas?

Summary of the thread

A 2001 Peugeot 307 experienced a central locking failure, suspected to be due to a faulty door contact signal circuit. The issue was identified as defective wiring and plug connections in the door area. A technician confirmed the problem and repaired the wiring, resolving the central locking failure.

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4 comment(s)

wolfgangsteel3

That sounds frustrating! My old Volvo V70 had a similar issue. The central locking went haywire, and it was a dodgy wiring harness where it passed from the car body into the door. Have you checked the wiring and plug connections around the door latch? Look for damage or corrosion.

juergenjung32 (community.author)

Thanks for the quick reply. Can you tell me exactly where the wiring harness and plug connections are, and how to check them without causing more damage?

wolfgangsteel3

On my Volvo, the problem was in the rubber boot that protects the wires going from the door frame into the door. The wires can crack inside the boot. Carefully peel back the boot and check for breaks or frayed insulation. But a workshop might be best to diagnose it properly. Saved me a lot of trouble!

juergenjung32 (community.author)

Thanks for the explanation and advice. I consulted a technician to check the door contact signal and wiring harness. The cable and plug connection were defective. The repair cost 95€.

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PEUGEOT

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307