here is the tips to help user solve “Device not opened” error of FLYOBD JLR SDD2 SDD V146 diagnostic & programming software for Jaguar and Landrover.
Device not opened
Click on PROgrAM, then this error pops up. Click on Close, and the LED light on JLR SDD2 scanner turns green
Analysis from obd2shop.co.uk engineers:
Possibly it’s a driver issue.
Please check your JLR SDD V146 driver installation.
Usually the driver is automatically installed, after the Jaguar and Land Rover software installation success
So check the Computer Management:
Check COM port
(PC would select it automatically; COM number depends on different PC)
Done well, problem solved, hope it can help you!