2006-2008 Allison T14A / A40 TCM
Description
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.
Fits Chevrolet and GMC 2500HD and 3500HD Pickup and Cab & Chassis trucks. 10th digit of VIN being a 6, 7 or 8.
The T14A / A40 Transmission Control Module found in the 2006-2008 2500/3500 Duramax is prone to failure. The internal circuit board fails and is not serviceable. When this failure occurs you may observe messages such as Range Shift Inhibited, Service Brake System, Service Stabilatrak, or might experience loss of gear shift indicator on dash, slamming into Drive or Reverse, and DTC U0101 for loss of communication with TCM.
Will Not Work in 4500 or 5500 trucks. The Medium Duty modules must be purchased from a Allison dealer.
Shipping information
Cutoff time for same day shipping is 3pm Central Time. If ordering Next Day Air be advised that NDA does not deliver on Saturday. For Saturday delivery or if you have any questions please give us a call. 815-977-5865
Total Reviews (4)
Reviewed by: Nathen04/02/2020 01:08AM
Product ownership: Less than 3 months
Purchased from: Dan's Diesel Performance
Comments:
I bought the dominator trans and tcm and I couldn't be happier awesome price and performance. Costumer service was great
Reviewed by: James04/02/2020 01:15AM
Product ownership: Less than 1 year
Purchased from: Dan's Diesel Performance
Comments:
Awesome product and support. It was much harder to diagnose the problem of the failed OEM unit than it was to replace it. Watch the video and in less time it takes to watch it you’ve replaced it!
Reviewed by: Joe06/04/2020 10:47AM
Product ownership: Less than 1 month
Purchased from: Dan's Diesel Performance
Comments:
I ordered a replaement TCM for my 2013, overnight. Received the next morning and back on the road in less than 10 minutes.
Reviewed by: Eric 10/22/2021 07:12PM
Product ownership: Less than 1 year
Purchased from: Dan's Diesel Performance
Comments:
My 06 TCM 250K still working smooth and good but just to mjch slush boxxy. And my tunes were not what they could be. DAN's tune really help the truck be more of a kids truck.????????????
My friend has this TCM in his LBZ and I was like "WHAT" me need some of that.lol
Customer service and knowledge is Top Shelf ????.