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How to Reset the BSI Unit of the Citroën C4

Model: Citroen Ds3 MK 1 - Years: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Control unit

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Video tutorial

To reset the BSI unit of the Citroën C4, connect a diagnostic tool to the vehicle's OBD port, located on the lower left side of the dashboard near the steering column. Once the tool is connected, select the car model and its corresponding version.

This will allow you to access the stored errors in the BSI unit, which must all be completely cleared. After the reset, disconnect the scanner and ensure everything is functioning properly.


Updated on 24 October 2026 by ScegliAuto


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by ScegliAuto

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