(solved) KTAG KTM100 v7.003 Error [e000079] customer code invalid

All tips here for KTAG KTM100 DIMSPORT firmware V7.003 with “interface connected. Error: [e000079] customer code invalid.”


what to do….


There are 3 possible reasons:

  1. You got to internet connection
  2. You didn’t install successfully Ktag driver
  3. You have no power supply fed to the Ktag ecu programmer
  4. You have poor connection between the TF card and Shrapnel


Working Solution:


  1. Please disable internet/network connection before installing software. THIS IS VERY IMPORTANT!!!
  2. Ensure KTM100 driver is well installed.

Open My Computer>>Manager>>Device Manager>>Universal Serial Bus

controllers>>DimSport-New Trasdata Device to check the good communication between K-tag and computer.

  1. Make sure there is a power supply fed to the KTM100 ECU tuning kit.


  1. the problem not solved yet? Check whether the shrapnel firmly attached to the TF card.



Ps. BIG THANKS to the contributor…