Issue: Following fitment of a new Remote Function Actuator (RFA) labelled with any of the part numbers below, Symptom Driven Diagnostics (SDD) does not appear to communicate with the RFA: FK72-19H440-AE, FK72-19H440-BE, FK72-19H440-AF, FK72-19H440-BF, Following models only affected: L538 Range Rover Evoque 14MY onwards, L550 Discovery Sport 15MY onwards, L494 Range Rover Sport 14MY onwards, L405 Range Rover 14MY onwards