Service function guideElectric Power Steering Initialisation

This guide delivers a complete, professional workshop procedure for initialising electric power steering (EPS) end stops after replacing the rack, column, motor, or steering angle sensor on a wide range of modern vehicles. It explains how the EPS control module learns the mechanical limits of travel so the assist motor does not command torque beyond the rack's physical stops, which prevents damage and restores accurate steering feel. Written for working mechanics and experienced DIYers who already own a scan tool with bidirectional controls, it walks through preparation, the full step-by-step routine, verification, and failure diagnosis. By the end, you will be able to perform a safe, repeatable end-stop initialisation, confirm success with live data and a road test, and recognise the common mistakes that cause a failed or incomplete learn.