Ouch!! Yet another reason I need to take it to the Dealer while it's still under warranty.

 

This should be an easy repair by someone who is technically-skilled. Even sight unseen, I'm confident I could fix it in minutes, for example, and I'd like a look at the module anyway. You wouldn't happen to live in So Cal, do you?

 

Great video btw. I was thinking as I was watching that it would be far better to undo the 2 nuts on studs that hold that little electronic ECU box on, remove that from the car, then remove the battery.

 

Same thing happened to me. Although well intentioned, the instructions above are not what Land Rover recommend. You can find the workshop instructions here which warn that the connector can be easily broken. Also, the Gap tool cannot do the 'Telematics Control Module Battery Replacement Reset' (I reported that to Gap who reproduced the issue).

If I were to do this again, I would fully remove the panel and then remove the TCU from car. I did this after I broke the connector to find out what had happened. Removing the panel is a pain, but it's better than having to replace the TCU if you break the connector. The connector is very fragile and seems a poor design for a serviceable item.