Fixed! kt200 edc17cp50 "incorrect file 018000-OTP sector not writable"

If you have an error message during the programming process of ECUHELP KT200 on the EDC17CP50 Honda 2.2 i-DTEC 2012, stating "incorrect file 018000-OTP sector not writable," here's what you need to do:

Please refer to the image below for a visual representation of the error message.


To resolve this issue, follow these steps:

Copy the original OTP zone to the new file. Programs such as Winols, HxD, and other similar software can help you accomplish this task.

Avoid performing checksum calculations at this stage. 

don't write a complete write flash and eepprom one by one.

It's important to note that OTP (One Time Password) cannot be rewritten. However, by cloning the flash and EEPROM, you can ensure that the car starts. Keep in mind that the engine light may remain illuminated.