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In addition to diagnosing these common truck systems, other systems can also be diagnosed, such as Integrated Control System, Integrated Safety System, Motor Control System, Battery/ SCR, Suspension System, Pro-Shift, Inverter, Kneeling, Drivetrain, Scanning Cruise/LDWS/PCS, Tire Pressure Monitoring System, Ldfing Stop System, Clutch System, Anti-Theft System, Blocker, PESS (Passive entry and Start System), PIM (Powertrain Interface Module), Chassis ESC, Air Suspension, Headlight Auto-leveling, etc.

HD601 diagnostic scanner is exclusive for most American heavy-duty trucks & 12v vehicles, enthusiasts, DIYers, independent repairs, specialized garages and technicians. It is a professional car scanner worth having.
What HD OBD functions does HD601 have:


Reliable Features:
HD601 diesiel scanner can run diagnostics on Ameican semi-trucks and heavy trucks. These include commercial vehicles such as delivery trucks, school buses, bucket trucks, garbage trucks, long heavy trucks, construction trucks, agriculture trucks, and any other heavy-duty vehicles or equipment! Meet your diagnostic needs!
FAQ:
1. Does this diesel scan tool work on American trucks?
Answer: Yes, it works on most trucks with J1708 and J1939 protocols. Such as Freightliner, Peterbilt, Kenworth, International, Ford(HDtruck), CCC, Autocar, Bluebird, Pierce, GMtruck, Sterling, GMC truck, etc.
2. Why it shows NOT supported when diagnosing the truck?
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 Code Reader.
3. Why cannot the tool clear the error codes?
Answer:
1) Help to check if the vehicle problems have been solved;
2) The HD601 can only clear standard OBD codes;
3) Some fault codes in the history cannot be cleared.
4. Can this code reader perform forced regeneration?
Answer: No, it only supports basic diagnostic functions such as read/clear codes, read data stream.
5. 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.
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