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How to reset the ECU of the Citroën C5?

Model: Citroen C5 RD, X7, MK 2 - Years: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Part: Warning light – error code

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Video tutorial

To reset the ECU of the Citroën C5, completely remove the unit from its housing so that it can be connected via the appropriate wiring to a computer: once the ECU is connected, use the program shown in the tutorial to select the corresponding car model and version.

When the correct settings have been entered, you can reset all stored errors in the ECU by refitting and reconnecting the device inside its housing.


Updated on 16 September 2026 by ScegliAuto


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by ScegliAuto

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