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ECM/ECU Question


B-Mac

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If you switch or replace a ECM or ECU, (if that's what you call your bikes brain box). on your bike will you lose your mileage data on the newer digital dash screens? I have heard that it's stored in both.

Edited by B-Mac
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I only know about bikes I have had. On the Wing, the Vulcan and the Nomad no the miles are not part of the the ECU/M.

The manual Wing has 10 computers for all that stuff. The DCT has 11. No idea which one contains the mileage.

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I have it on super good authority that on the Wing it is stored in the digital dash itself. That actually makes a lot of sense and I bet that is true of all bikes.

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My only experience with dash swaps is my former life as a Nissan tech. When we ordered a new gauge cluster, we had to sign an affidavit for the mileage so the manufacturer could preprogram odometer to read the same mileage. ECU never played a role. 

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