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Citroen C3 Alarm Malfunction

I have a 2019 Citroen C3 with a gasoline engine and 85188 km on the clock. The anti-theft alarm system is malfunctioning. An error is stored, and the alarm system is non-functional. I suspect the alarm system is coded to activate optical locking (indicators). Has anyone experienced something similar?

A 2019 Citroen C3 experienced a malfunctioning anti-theft alarm system, with an error indicating a central locking issue. The problem was suspected to be related to the alarm system being coded to activate optical locking. A workshop diagnosed and resolved the issue by recoding the system, restoring its functionality.

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4 comment(s)

Sounds familiar! I had a similar issue with my C3. Was the alarm going off randomly, or is it just completely dead?

It's completely dead. No random alarms, just nothing at all. The error code points to a central locking issue potentially triggering the alarm. Did you find a solution?

Ah, ok. Mine was the random alarm issue, sorry. But since it's completely dead, I would take it to a workshop. They should be able to diagnose it properly. My local guy mentioned something about a common fault with the alarm sensor on these models. Worth checking out.

Thanks for the advice. I took it to a workshop, and it turned out the alarm system was indeed coded to activate optical locking, which caused a conflict. They recoded it, and now it's working fine. Repair cost was 45€. Thanks for pointing me in the right direction!

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CITROEN

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