Turbo control Valve troubles
 

I bought a used 2000 Volvo S80 T6 had a oil leak tracked it down to a plugged line on PVC system all fixed.But I did leak down test compression test now have all new ignition coils on car, and now getting P1238 code tracked that to a bad ground was only getting 10 volts to switch added a ground wire to get to 13 volts now getting p0245 code ,should my turbo control valve be clicking non stop I am new to the Volvo's and turbo system
Please help
I have ordered a Mac turbo control valve but wont be able to install for a couple of weeks will I harm my engine if I keep driving the car