DTC B1974-56: Rear View Mirror Module - Invalid/Incompatible Configuration: Action

NOTE: To validate the repair, activate the smart rear view mirror and drive the vehicle for at least 10 minutes on a standard road and check the smart rear view mirror function. Then check this DTC is no longer set within the body control module

Using the Jaguar Land Rover approved diagnostic equipment, check and update the car configuration file as necessary. Clear the Diagnostic Trouble Code(s) and retest