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How to Reset the BSI Unit in the Citroen C4 Picasso?

Model: Citroen C4 Picasso MK 2 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Part: Warning light – error code

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Video tutorial

In this tutorial, see how to reset the BSI unit in the Citroen C4 Picasso, an operation to perform to resolve any management errors of the various devices. First, close all windows and leave the driver's window open, then exit the vehicle, open the bonnet, and remove the key. Wait for 3 minutes, disconnect the battery for 15 seconds, reconnect it, and from the window, activate the side lights.

At this point, turn on the instrument cluster, press and hold the door unlock button on the remote for 10 seconds, and check that the reset has been successful.


Updated on 29 August 2026 by ScegliAuto


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by ScegliAuto

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