Problem: Xtool ps2 heavy duty truck diagnostic tool has this error message : failed to download mcu.bin to the vci , when i do test
Note: This version can diagnose electronic control system of MAN trucks and buses, including engine/ exhaust post-treatment, brake/sustained-action brakes, running gear/gearing, gearbox/powertrain, climate…
Error message: Failed to download mcu.bin to the VCI
Cause: you have wired and wireless communication
Solution: just turn off wired connection
Reference: How to connect Xtool PS2 to VCI
http://blog.obdii365.com/2017/03/01/connect-xtool-ps2-gds-gasoline-diagnostic-tool/
Xtool PS2 truck diagnostic tool:
http://www.obdii365.com/wholesale/ps2-truck-professional-diagnostic-tool.html