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How to Reset the Engine Control Unit of the Ford Focus

Model: Ford Focus MK 3 - Years 2011-2018
Part: Warning light – error code

In today's tutorial, you will learn how to reset the engine control unit of the Ford Focus by following the instructions below. First, open the bonnet of your car by pulling the lever inside; then use a 10 mm socket or spanner to loosen the nuts on the battery terminals (positive and negative) to disconnect it, as shown in the video. Keep the battery disconnected for a couple of minutes to reset the control unit; then reconnect it and finally start the engine!

Updated on 15 July 2026 by ScegliAuto

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by ScegliAuto

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