The computer has not loaded the drivers correctly, or the USB port is faulty.
Before plugging in the hardware, install the USB drivers. The original CD usually contains drivers for Windows XP, Vista, and 7. However, if you are using , you will encounter a problem: Windows blocks unsigned drivers.
Right-click, select "Update Driver", and choose the driver folder provided in your download package. Ensure the driver is listed as OP-COM USB V2. 3. Installing VAUX-COM Software Run the setup.exe from your downloaded files. Follow the prompts to install the software.
Right-click the Windows Start button and open Device Manager.
Records live data streams to a file for later performance analysis. Actuator Output Tests Opcom 1.39 Download
Troubleshooting tips
If you are looking for the , you are likely trying to diagnose or program an Opel or Vauxhall vehicle. This specific firmware version is highly regarded for its stability and compatibility with older OBD2 interfaces. What is Opcom 1.39?
You might wonder if you should use newer versions like 1.59, 1.60, or 1.67. The choice depends on your vehicle.
The vast majority of Opcom units sold on eBay and AliExpress are "clones" (reproductions) of the original hardware. Many of these clones ship with incompatible firmware combinations (e.g., 1.45 firmware with an older software version). For these clones to function correctly, the firmware often needs to be to match the software intended for that specific hardware build. The computer has not loaded the drivers correctly,
Installing OP-COM 1.39 requires setting up both the diagnostic software application and the FTDI USB-to-Serial drivers. This process can be tricky on modern operating systems like Windows 10 and Windows 11 due to strict driver signing requirements.
OP-COM consists of two parts: the Windows-based software interface and the firmware installed on the OBD2 USB cable (the PIC18F458 chip inside the interface).
Triggers radiator fans, EGR valves, fuel pumps, and dashboard gauges. Advanced Programming and Adaptation Programs new keys and remote key fobs. Resets service reminder intervals and oil life monitors. Adapts replacement modules to the car's immobilizer system.
: Installation requires specific 32-bit or 64-bit USB drivers to allow the PC to communicate with the firmware. However, if you are using , you will
Hold down the Shift key while clicking Restart in your Windows Start Menu.
Opcom 1.39 is a diagnostic software designed for Opel and Vauxhall vehicles. It allows users to connect to their vehicle's computer system, read and clear fault codes, and perform various diagnostic tests.
or automotive Facebook groups often host direct links to rar/zip files containing version VAUX-COM 120309a Vendor Links: Sites such as