DTC P1707-74: Transfer Case Neutral or Park/Neutral Indication Circuit - Actuator slipping: Action

WARNING: This page is about a different car, the 2018 Land Rover Discovery and 2017 Land Rover Discovery. However, it is still accessible from the selected car via links, so may be relevant.

Check the integrity of the emergency park release. Rectify as necessary
Check the integrity of the parklock mechanism. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and road test the vehicle. Check the parklock mechanism by engaging and disengaging the parklock several times. Rectify as necessary
Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new transmission control module