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

Model: Citroen C3 FC, FN - Years 2002-2009
Part: Control unit

It will be possible to reset the BSI unit of the Citroën C3 by connecting a diagnostic tool to the OBD port of the vehicle: this port is located on the lower left side of the dashboard, next to the steering column. Once the scanner is connected, the specific model and version of the car can be selected, allowing access to the stored errors in the BSI unit, which must all be completely removed. After the reset, the scanner can be disconnected, and it should be verified that everything is functioning correctly.

Posted on 19 May 2025 by ScegliAuto

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To open the bonnet on this vehicle, follow these simple instructions: first, open the driver's door and locate the lever positioned just below the dashboard, marked with an image of the vehicle with the bonnet open. Pull this lever towards you until you hear a "click" indicating the bonnet is released. Next, exit the cabin and stand in front of the bonnet to disengage the safety catch and complete the opening. To do this, slightly lift the bonnet, locate the yellow lever underneath, and pull it to the left to fully release and open the bonnet.

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