50
TUNING THE VEHICLE
7. The HDGT will build the file.
• This process if fast; is should take
about one minute.
• The HDGT will show a percentage
counter to track its progress.
• Do NOT interrupt the HDGT.
8. When the HDGT has finished preparing to
uninstall the tune, it will prompt you to turn
the key to the RUN position.
• Turn the key to the RUN
(or ON)
position.
• Press Continue
(top right button)
.
9. The HDGT will connect to the engine
computer and write the calibration.
• This means that the HDGT is actively
writing to the engine computer.
• This process can take between 15
and 45 minutes; it will take about ½
hour on most vehicles.
• Do NOT interrupt the HDGT.
10. When the HDGT has finished uninstalling
the tune from the engine computer, it will
prompt you to turn the key to the
OFF position.
• Turn the key to the OFF position.
• Press Continue
(top right button)
.
11. The HDGT will display a countdown.
• Leave the key in the OFF position.
• Do NOT interrupt the HDGT.
BUILDING FILE
3%
Setting...
Power/Econ Tune
Please wait
Do Not Unplug
PLEASE VERIFY KEY
IS IN THE
KEY RUN
RUN
POSITION
PRESS CONTINUE TO PROCEED
Continue
Writing Calibration
0%
00
000000F0
00010000
0003FF32
000104B0
002004B0
000DD522
Please wait
Do Not Unplug
PLEASE VERIFY KEY
IS IN THE
KEY OFF
OFF
POSITION
PRESS CONTINUE TO PROCEED
Continue
Please Wait
Finishing Download
6
Seconds
Leave Key OFF!
DO NOT UNPLUG!!!
