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

Using the Jaguar Land Rover approved diagnostic equipment, inspect the communication with the Restraints Control Module. If there is no communication, inspect the Restraints Control Module (RCM) power supply and ground. Repair as necessary
Inspect the RCM for related Diagnostic Trouble Code(s) (DTC) and refer to the relevant DTC index
Refer to the appropriate system wiring diagrams and check the crash signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary