recently had a gearbox fault reduced traction come up.Took it to a garage they did a diagnostic check but showed no code faults said possibly electrical or mechanical and to monitor it. They also said possibly a short shift problem in the gearbox
What "garage" did you take it to? Do they have the proper equipment to scan your Evoque? If it wasn't the dealer or a trusted LR indie they most likely have no clue. If you have a dash message there is a code that was logged.
BTW, please review the guidelines. We have no idea where you are located or you year and model of Evoque. We have no way to give advise without basic info.