DTC B13C3-96: Dual Battery Module - Dual Battery Fuse Box - Component internal failure: Action

WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.

Clear the DTC and retest. If fault persists, check and install a new dual battery junction box and run dual battery system diagnostic service routine