DTC U0046-81: Vehicle Communication Bus C - Invalid serial data received: Action

WARNING: This page is about a different car, the 2021 Land Rover Range Rover and 2020 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: DO NOT replace the adaptive cruise control module for this DTC

Using the Jaguar Land Rover approved diagnostic equipment, check the snapshot data to determine the invalid data source control module. Check the relevant control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC index