The HD601 is a handheld code reader for commercial vehicles. It can quickly and easily access the vehicle's ECU (electronic control units) and sensors. Its functions include reading/clearing fault codes and analyzing live sensor data. It covers all major truck models that comply with the protocol standard SAE J1939, SAE J1708, ISO 14230-4, ISO 15764-4 and ISO 9141-2, ISO 27145-4. ANCEL HD601 OBD2 Truck Scanner 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 and ISO 14230-4, ISO 15764-4 and ISO 9141-2 protocols. SETTINGS: Set the measurement unit (English/Metric) and language (English/Spanish). ABOUT: Find the serial number and version number of the product and update the software version (connect the code reader to a PC with update software via the USB interface). Full System Code Reader 1) ECU information: Read and display the control system module information retrieved from ECU. 2) Read fault code: Read the fault code information retrieved from the vehicle system module. 3) Clear fault code: Clear the error code and still image data retrieved from the vehicle system module. 4) Live Data: Read and display the real-time operating parameters of the current system module. Note: If the update interrupts and the system crashes, you can try to re-enter the update mode through the following steps 1) Pull out the USB cable and hold the reader off, and then press the Enter key. 2) Connect the reader to the Windows 10 computer via a mini USB cable. 3) Release the Enter key when three indicator Lights on the reader light up, and then the reader enters the update mode again. Product Parameters 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 Product Package 1*box 1*HD601 Handheld Truck code reader 1*6/9 pin connect cable 1*Manual