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How to Reset the Lock Control Unit on the Peugeot 407

Model: Peugeot 407 MK 1 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Part: Warning light – error code

Video tutorial

In today's tutorial, we will see how to reset the lock control unit on the first series Peugeot 407, as well as on most models from the Peugeot-Citroen group, by following these simple steps. What we will do is a general reset performed when some electronic components are not functioning correctly; first, open the bonnet and disconnect the battery by unscrewing the terminal screws.

Wait five minutes and reconnect the battery; now, get into the car and turn on the ignition, pressing and holding the vehicle locking button for ten seconds: this way, you will have reset the locks!


Updated on 28 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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