ANCEL HD601 Heavy Duty Truck Code Reader Full System OBD2 Diagnostic Scan Tool Check Engine for Freightliner Cummins Code Reader
ANCEL HD601 Heavy Duty Truck Code Reader Full System OBD2 Diagnostic Scan Tool Check Engine for Freightliner Cummins Code Reader is a one of our ANCEL HD601 Freightliner diagnostic tool Tools, you can buy ANCEL HD601 Heavy Duty Truck Code Reader Full System OBD2 Diagnostic Scan Tool Check Engine for Freightliner Cummins Code Reader from ukobd2.com.
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The ANCEL HD601 heavy duty truck scanner is a handheld diesel diagnostic tool designed for most American Trucks. It quickly and easily accesses the vehicle's ECU (electronic control units) and sensors. Ideal for professional mechanics, home users, beginners, and DIYers, it performs full-system auto scans on most American commercial vehicles and offers in-depth diagnostics for:
As a professional heavy-duty truck code reader, it supports engine diagnostics for both Trucks and cars, including:
The device features lifetime free updates, with continuous database and software enhancements by the technical team. Its 2.8-inch color screen and user-friendly plug-and-play design streamline diagnostic workflows for greater efficiency.

HD OBD: Diagnostic procedures for diesel 6/9 OBD vehicles.
WWH-OBD (World-Wide Harmonized On-Board Diagnostics): Diagnostic procedures for vehicles complying with ISO 27145-4, ISO 14230-4, ISO 15764-4, and ISO 9141-2 protocols.
SETTINGS: Configure measurement units (English/Metric) and language (English/Spanish).
ABOUT: View serial number, version number, and update software via USB connection to a PC.

The HD601 diesel scanner performs comprehensive system diagnostics on most American trucks, covering:
This empowers users with accurate diagnostic data to avoid unnecessary repairs—no training required.
Read fault codes to identify the cause of warning lights and pinpoint issues. The HD601 displays live data streams in graphical format—including fuel metrics, cylinder misfire, intake air temperature, and more—and allows you to clear warning lights after repairs.
Most trouble codes originate from the transmission. This tool retrieves transmission fault codes early, enabling timely troubleshooting before minor issues escalate.
Diagnosis begins with a visual brake inspection, followed by reading ABS trouble codes and viewing live data to locate faults precisely. Reset the ABS warning light post-repair.
Comprising impact sensors, a control module, and airbags, the SRS triggers the Malfunction Indicator Light (MIL) when faults are detected. The HD601 retrieves SRS issues promptly to ensure safety and clears the airbag warning light after resolution.
The HD601 also diagnoses:

The HD601 is tailored for most American heavy-duty trucks and 12V vehicles, serving enthusiasts, DIYers, independent repair shops, and technicians as a professional-grade diagnostic tool.


If an update fails and the system crashes, re-enter update mode as follows:


| Name | Parameter |
| CPU | 100MHz |
| Display | 2.8 inch LCD |
| Flash | 8M |
| Diagnostic Interface | Main line OBDII and Transfer line Diesel-6/9 |
| Work Voltage | DC 9V~36V |
| Work Temperature | -20℃~65℃ |
| Dimension | 165mm × 97mm × 33mm |
