P2402 code xf-r

good evening.my 1st visit to forum.i have a 2012 xf-r with a cel code p2402.i believe it is for a leak detection pump(carbon canister).any idea how much to replace and where it is located on the Jag?Has anyone else had this issue?

This was posted on another forum;
WTR500030. Vapour purge canister solenoid.

thanks.i’ll check it out.