2012 Allison 3000HS Gen 4 Transmission Control Module, TCM, Model A51, Supplier Model ATA5101, Part # 29545536, Serial # BK5536N111500501,
All TCM's sold with a 30 day “parts only” warranty.
In the event of failure, the TCM will be replaced or a refund will be issued. Warranty does not include labor or progressive damage.