[Mriggs0115]

After you replace your ECU HOW DO YOU RESET IT

 

[Tigris99]

It's already reset. Once it loses power from the battery for several minutes it is reset.

If your having issues then it's either the wrong one or was never your problem to begin with

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[Peanut]

Or it is an ECU with immobiliser and needs the matching coded key to run.