Kennedy TCM for 01-05 Allison 1000 transmissions: This is a special TCM file that has been proven to improve track times. We will be programming customer units for exchange, or we can often supply a good used core. It is in no way a custom tune. It is simply Allison programming that we have customized and found to work very well.
This listing is for a NEW, programmed for your VIN, Allison TCM (transmission control module) for Model Year 2009-2015 Duramax pickup trucks with Allison transmission. Replaces all following TCMs: A40 (11517030 / 25798264 / 29545321 / 29544772) A46 (25982143 / 29546675), T14A (24256864 / 24256671)
Greetings from Ignition King. This is the Heavy Duty Truck ECM page. As most of us involved in the Trucking industry are now aware, the presence of electronic controls is essential to the proper operation of the newest Diesel engines on the market.
Aug 03, 2011 · Bellhousing will work as the Allison was behind the 8.1 as well, which also mates up to the 4l80e. But converter/flexplate will need to be custom. You will need a custom tuned TCM to run the allison. It is not ALL that strong in stock form, for what you spend in beefing it up, you could beef up the 6l90. It sucks tons of power from parasitic drag. Aug 09, 2019 · I can only find the grade brake parts, but it will tell you the description of the reprogrammed TCM This is a quote from the ECM webpage We are now offering 5-speed Allison Transmission tuning on model years 2001-2005 W-Series. The main change you will notice is the transmission will shift into overdrive below 50 MPH when under light throttle.