VXIDAG VX Manager “Checksum Firmware Failed” Solution


I try to update vxdiag vcx se benz firmware and license, but it failed me.

Error 1: Update license failed, retry, error info 4001

Error 2: Checksum firmware failed

Tried 2 hours, still the same error, no luck.

License Failed Error 4001 1

Check Firmware Failed


1). For error 4001

Always update the firmware first, then update license afterwards.  Fits all vcx se, vcx nano and vcx plus scanners.

Vxdiag Vcx Se Failed To Update License 3

2). For checksum firmware failed error

Disconnect vcx se or vcx nano, restart PC, wait to 3 minutes, reconnect and try again.