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.