On certain 2020 to 2022 model year Range Rover, 2019 to 2022 model year Range Rover Sport, 2019 to 2020 model year Range Rover Evoque and 2020 model year Discovery Sport vehicles, the 48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended. This can result in illumination of the Malfunction Indicator Lamp (MIL), loss of start/stop functionality and no communication during diagnostic sessions.
