A recent user experience highlighted a common issue when attempting to write to an ECU EDC17C60 using the ECUHELP KT200 programmer. The user, utilizing the KT300 checksum software interface, encountered a blockage in the ECU, despite maintaining a power supply of 13.6v.
Possible reasons and solution:
Possible 1. The file is bad, Write the original file back to ECU.
Possible 2. Need to turn off tprot manual before write. The online server corrects it. If you let the tool do the checksum or Make manual chks.
For further assistance or information regarding the KT200 / KT200II, users can visit the official shop at: