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Code Reader
18
the update mode again.
4 FAQ（Frequently Asked Questions）
Here are some frequently asked questions and
answers about the HD601.
Question: When I update the HD601 tool, I cannot find
the serial port query. How can I find it?
Answer: Please make sure that your computer system
is a Windows 10 system. For Windows 10 systems, the
update tool will automatically detect the serial port
number.
Question: when diagnosing the truck, it shows NOT
supported.
Answer: please confirm the power and ignition key of
the vehicle to ON or start the engine. Then check if the
test path is correct or not. In most cases, for American
trucks, please select HDOBD menu. For American
pickups, please select both WWW-OBD and HDOBD
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