DTC B1B01-64: Key Transponder - Signal plausibility failure: Action
WARNING: This page is about a different car, the 2019 Land Rover Range Rover Sport. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
To validate the repair firstly remove the battery from the Smart key and check that the vehicle can be started via the back-up start procedure (holding the Smart key next to the immobilizer antenna unit and operating the stop start switch)
- Using the Jaguar Land Rover approved diagnostic equipment, perform routine - Start Authorisation Status