DTC U1014-02: APIX Display Link - User Interface Panel - Link #2 - General signal failure: Action

WARNING: This page is about a different car, the 2021 Land Rover Range Rover and 2020 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Do Not replace the infotainment master controller/infotainment slave controller for this DTC alone

Refer to the appropriate system wiring diagrams and check the infotainment slave controller rear portable user interface panel APIX circuit 2 for open circuit, high resistance. Repair the wiring harness as necessary. Clear the Diagnostic Trouble Code(s) and retest
If the fault persists, using the Jaguar Land Rover approved diagnostic equipment, reconfigure the infotainment slave controller with the latest level software. Clear the Diagnostic Trouble Code(s) and retest