DTC P0851-01: Park/Neutral Switch Input Circuit Low - General electrical failure: Action

WARNING: This page is about a different car, the 2016 Land Rover LR4, 2015 Land Rover LR4, and 2014 Land Rover LR4. However, it is still accessible from the selected car via links, so may be relevant.

Using the manufacturer approved diagnostic system, clear the DTCs and road test the vehicle. Test the parklock mechanism by engaging and disengaging the parking lock several times. If fault persists, renew parklock components as necessary. If the fault persists, install a new transmission control module