Here obdesxpress.co.uk shares the solutions to resolve “Open VCI device failed” or “VCI not plugged into car…” problems when you run Ford or Mazda IDS software via Ford/Mazda IDS Loader software to work with VNCI MF J2534 diagnostic tool.
Error 1: Open VCI device failed
Possible cause:
VCI maybe not plugged in or VCI driver not work properly.
Solution:
Connect VNCI J2534 to computer via USB cable and reinstall the device driver.
Error 2: VCI not plugged into car, or car battery voltage under 8 volt
Solution:
Connect VNCI MF J2534 to the OBD port power supply
Then the errors will be solved.
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