Volvo model is special for collect data from switch, usually the ignition signal for acquisition every 15mins will change one time.
such as:if you use VVDI KEY TOOL to collect data within 5mins several times, you will get stuck at 1/8 collect data.
have to wait around 15mins later then do next time collect data, then will get 2/8 collect data.

Btw, keytool give Biiip when you place them close to ignition, so you can hear signal is detecing.
Combinate keytool with VVDI2 and use