DTC U0439-29: Invalid Data Received From All Terrain Control Module - Signal invalid: Action

WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

Using the Jaguar Land Rover approved diagnostic equipment, check the JaguarDrive switchpack for related DTCs and refer to the relevant DTC index