Allison 1000 / 10L1000 transmission tune
2006+ Silverado/Sierra HD — Duramax
What we change on this platform
Firmer shifts and lockup behavior with Tow/Haul, shift points built for towing, converter apply in 3rd and up, with limits that keep it safe under load.
What your truck needs first
By model year, from HP Tuners' current support list. This is the owner's side of the job — interface, licensing credits, and any one-time module upgrade.
| Model years | Module | Status | Interface | Credits |
|---|---|---|---|---|
| 2006–2016 (LBZ, LMM, LML) | Allison A40 / A50 TCM | Ready to tune Straight OBD. | MPVI2 or newer | 2 |
| 2017–2019 (L5P) | T87A TCM | Ready to tune No unlock since Nov 2025. The E41 engine ECM needs its own upgrade only if you want engine tuning (2018–2023 can do that over OBD; 2017 is send-in or kit). | MPVI2 or newer | 4 |
| 2020–2023 (L5P, 10L1000) | T93 TCM | Direct OBDII upgrade first One-time Direct OBDII upgrade in VCM Suite at the truck. | MPVI3 or MPVI4 | 4 |
| 2024+ (Global B) | T93 TCM (Global B) | Send-in service first Send-in Global B service; MPVI4 only. | MPVI4 | 4 (ECM is 8 more if tuned) |
What you send us
- A fresh read of the vehicle saved as a .hpt file, from a module that's already upgraded if yours needs it
- Your mod list, if anything's been changed: converter, gears, tires, lift, built unit
Price
$179 for the Transmission Tune, $249 with the driveability package. One business hour turnaround, one revision included.
Order the Allison 1000 / 10L1000 tune