Bought a Mack reman eecu and the dealer can't flash from my old eecu to the new one. They tried module to module and downloading from Mack. They have no idea as to why it won't program. So, I now have an $1100 useless metal brick. Any ideas as to why this is happening? An issue between the datalink, vecu, and the eecu?
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Bought a Mack reman eecu and the dealer can't flash from my old eecu to the new one. They tried module to module and downloading from Mack. They have no idea as to why it won't program. So, I now have an $1100 useless metal brick. Any ideas as to why this is happening? An issue between the datalink, vecu, and the eecu?
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