Land Rover Jaguar B13c2-49 -

Clear all codes and drive the vehicle for 20 minutes with the infotainment system on. Reproduce the issue by using navigation, heated seats, and audio simultaneously. Rescan. If B13C2-49 returns immediately (within 1 minute of key-on), it’s a hard fault.

: The climate control panel may experience a "sleep" period where it doesn't respond for about a minute after starting the vehicle. land rover jaguar b13c2-49

The dealer solution. JLR will require you to purchase a new TSM. It must be programmed to your VIN using online servers. If you buy a used TSM from eBay, it will almost certainly trigger Component Protection (CP), and the dealer will not be able to code it to your car without original proof of purchase. Clear all codes and drive the vehicle for