July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC U0423-81: Invalid Data Received From Instrument Panel Control Module - Invalid serial data received: Action

Using the Jaguar Land Rover approved diagnostic equipment, check the instrument cluster for related DTCs and refer to the relevant DTC index
Using the Jaguar Land Rover approved diagnostic equipment, check the central junction box for related DTCs and refer to the relevant DTC index