DTC B1146-52: Passive Sounder Supply - Not activated: Action

NOTE: To validate the repair use the Jaguar Land Rover approved diagnostic equipment to perform the diagnostic routine - Enable Protected Outputs (205E). The diagnostic routine can be located on the diagnostic equipment within "BCM - ECU functions". When complete attempt to lock the vehicle with a side door ajar and listen for the error tone emitted from the passive sounder, then using the Jaguar Land Rover approved diagnostic equipment check that this DTC is not set within the body control module

Refer to the electrical circuit diagrams and check the passive sounder circuit for short circuit to ground. Repair the wiring harness as necessary