DTC B10A2-31: Crash Input - No signal: Action

WARNING: This page is about a different car, the 2018 Jaguar XF, 2017 Jaguar XF, and 2016 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.

Using the manufacturer approved diagnostic system, check the restraints control module for related DTCs and refer to the relevant DTC index
Refer to the relevant system wiring diagrams and check the crash signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance