This write-up will step by step explain how to update Allscanner VXDIAG VCX NANO firmware, including
VXDIAG VCX HD Heavy Duty
VXDIAG VCX Nano GM firmware 126.96.36.199 download:
VXDIAG VCX Nano GM firmware 188.8.131.52 download:
Both are old firmware versions for VXDIAG VCX Nano for GM.
For 2017 VXDIAG VCX NANO firmware download, please go to
- Make a backup of your ManagerCenterC.ini file (where your prog is installed).
- Change one line in your original ini file to
- Connect VXDIAG VCX Nano to PC
The PC must be connected online
- Start [VX Manager]
- Click on [Device Manager]
- Click on [Information]
- Click on [Firmware]
- Click on [Upgrade] to Upgrade Firmware
During VXDIAG VCX Nano firmware update, DO NOT disconnect VXDIAG to PC
After positive update, make your backuped ini file as valid and try regular update.