DTC U0001-81: High Speed CAN Communication Bus - Invalid serial data received: Action
- On vehicles with active driveline fitted, using the Jaguar Land Rover approved diagnostic equipment, reconfigure the all wheel drive control module with the latest level software. Clear the DTCs, road test the vehicle and retest
- On vehicles without active driveline fitted, using the Jaguar Land Rover approved diagnostic equipment, reconfigure the active on-demand coupling control module with the latest level software. Clear the DTCs, road test the vehicle and retest
- If the DTC returns, 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 DTCs and refer to the relevant DTC index