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How do you reset the BSI unit of the Citroën C4?

Model: Citroen C4 MK 1 - Years 2004-2010
Part: Control unit

To reset the BSI control unit of the Citroën C4, you will need to connect a diagnostic tool to the OBD port of the vehicle: this will be located on the lower left side of the dashboard compared to the steering column. Once the OBD scanner is connected, you can select the model of the car and its corresponding version: this way you can reset all the errors that are stored in the control unit. Once this procedure is completed, you can disconnect the scanner and check for any malfunctions.

Posted on 2 April 2025 by ScegliAuto

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