Solved! Multi Prog Checksum EDC16C41 Nissan Fail
Quick Question: ECU EDC16C41 Nissan, Multi Prog doesn't calculate the checksum and says failed. Here is the Answer: Select "Diagnostic" to create a diagnostic report on desktop. Send the diagnostic file to Xhorse support. Reason: VVDI Multi Prog calculating checksum timeout. Solution: Try checksum again at a different time or a different network connection. Or wait for next version that will extend the length of time for checksum. Done! Hope this could help! http://blog.xhorsevvdi.com/solved-multi-prog-checksum-edc16c41-nissan-fail/