Xtype Check Engine Light

Is There A Way To Reset This Light Without Taking It To A Shop?

1) GO to Pepboys and buy a OBDII SCANNER, it will show you whats wrong.
2) ERASE or clear CHK ENG light, if there is a problem it will come back!
3) Do a Google ''Troubleshoot jag pcode''
4) Automotiveforums > Jag > S Type