Dans Diesel Performance TCM - A40/T14A

2006-2008 Allison T14A / A40 TCM Our Brand New T14A / A40 Pre-Programmed TCM comes with your choice of either OEM factory calibration or our Enhanced calibration.  Benefits of our Enhanced Calibration TCM include: Improved throttle response. Revised shift strategies for better shift rpm and quality. Improved Torque converter lock-up. Increase MPGs. Extend transmission life. Works with factory or aftermarket ECM programming.      This is a plug and play TCM and is delivered right to your door taking roughly 5 minutes to install. No dealer visit.    Limited Lifetime Warranty. Will Not Work in 4500 or 5500 trucks.  The Medium Duty modules must be purchased from a Allison dealer.