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

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2015 Jaguar XKR-S, 2015 Jaguar XKR, 2015 Jaguar XK, 2014 Jaguar XKR-S, and 2014 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect vehicle battery, re-connect after 60 seconds, clear DTC and retest
If fault persists, check and install a new battery monitoring module as required. Refer to the warranty policy and procedures manual, or determine if any prior approval program is in operation, prior to the installation of a new module