NIStune Type 1 Diagnostics - Manual (Page 12)

6. Nistune reports the error 'Cannot connect - Invalid CONSULT valid in address file' or
‘Consult checksum error’ or ‘Invalid USB ECU address access on connection
This error is due to an internal problem with the board firmware not matching what the Nistune software is trying
to talk to.
Make sure correct vehicle is selected in Nistune. Otherwise contact Nistune for support with the particular error
message you are getting