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70
HDS software can not
communicate with a vehicle
Is the vehicle
ignition ON?
Is the MVCI DLC
connected to the vehicle
connector?
Is the power
to the MVCI
ON?
Is the MVCI
connected to the PC with
the USB cable?
No
Yes
Yes
Yes
Yes
lease connect the MVCI to the
PC with the USB cable
and check whether HDS software
can communicate or not
Can HDS software
communicate
by USB cable?
No
Turn ignition switch to
the ON position
No
Disconnect the MVCI from
the vehicle connector
and then
Plug in the external power supply
No
Is the power
to the MVCI
ON?
Yes
Connect the MVCI DLC
to a different vehicle
No
Call SPX Tech
Support
Is the power
to the MVCI
ON?
Yes
DLC line open of
the first vehicle
No
Connect MVCI DLC to
the vehicle connector
No
Yes
Retry
Call SPX Tech
Support
lease disconnect the
USB cable
from the PC and MVCI
A
B
P
P
Troubleshooting
Is the MVCI
connected to the PC with
the USB cable?