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Re: HD4560P Trans ECU programming WtechIII
Posted to HD/Fleet Forum on 3/3/2020 1 Reply

In theory maybe. If you have techs that are fully Allison certified. But there is always some obstacle. I have a programming password. I still just send to Allison dealer. Faster for me. By fully certified they are totally serious. Do you have every single All... Login to read more.

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