DTC B11DB-49: Battery Monitoring Module "A" - Internal electronic failure: 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.

NOTE: Disconnect the startup battery for 60 seconds before continuing

Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new Battery Monitoring System (BMS) control module as necessary