DTC B100E-29: Video Input A - Signal invalid: 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.

Refer to the electrical circuit diagrams and check the video out circuit for short circuit to ground, open circuit, high resistance. Repair the wiring harness as necessary