Unable to write to the ECU

FlashPro Manager software
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Takuyaaa
Posts: 1
Joined: Fri Oct 03, 2025 10:14 pm

Unable to write to the ECU

Post by Takuyaaa »

I proceeded to the ECU reflash screen and attempted to perform the reflash, but encountered the following error. There were no bent pins on the connectors, and I reconnected all of them to ensure they were properly seated. The version of Hondata FlashPro Manager is 4.5.7.0, which is the latest. Given these conditions, what could be the possible cause?
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Spunkster
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Posts: 23877
Joined: Fri Sep 20, 2002 5:06 pm
Location: Hondata

Re: Unable to write to the ECU

Post by Spunkster »

What vehicle and year are you referring to?
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