Why Ktag / Kess checksums error and how to prevent it happens
Some users feedback they have a same problem with KTAG Programming Tool Master and/or Kess v2 Master checksums error eg. the units will not calculate checksums when loading files. And this error happens on both Chinese clone Ktag/Kess and EU clone ones.
Then why Ktag / Kess checksums error and how to prevent it happens?
According to this ECU, you must do a full read and then straight after that you must do a full write. After you’ve done that, the ECU is open for you to load your tunes based on partial reads and writes. The reason for the full read and full write is that it takes off the tuning protection on the ECU.
The process is different for other ECUs I’d imagine.
2.13V Ktag Master V6.070 Plus V2.15 Kess V2 Unlimited Token V4.036 with Free ECM TITANIUM V1.61 Software:
2.13V Ktag Master V6.070 Plus V2.15 Kess V2 Unlimited Token V4.036 with Free ECM TITANIUM V1.61 Software
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