DTC B154A-24: Rear Seat Massage Module - Signal stuck high: 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.

NOTE: This DTC does not apply to 10-way specification seating

Check the operation of the rear seat switchpack massage switches and rectify as required. Clear the DTCs and retest
If fault persists, install a new rear seat switchpack assembly