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Re: 2012 International 4300 Allison P0614 Issues
Posted to HD/Fleet Forum on 7/14/2018

I would check your comm harness between the engine and trans. If you have a test TCU, program it and test the unit under same conditions that causes the original TCU to fail. Perhaps record a snapshot with Allison DOC and watch the calibration page where SEM i... Login to read more.