Code scanner will only work if dash fues is pulled out why

Travgam

New member
Joined
Aug 29, 2020
Location
Nova Scotia canada
TDI
2002 alh tdi golf 5 speed
So I have this code scanner and it will only connect with the dash fues pulled out. Why is this doing this? I don't have to do this for vcds it hooks up no issues
 
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