2011–2014 GM A50 / T14 Allison Transmission Tuning
Overview
Custom transmission tuning for the A50 / T14 Allison TCM in the verified applications below. The calibration is developed around the vehicle, transmission, modifications, tire size, gearing, and intended use.
Compatible Platforms
- HP Tuners
- EFI Live
Vehicle Compatibility
- Years: 2011–2014
- Make: Chevrolet, GMC
- Model: Silverado 2500HD, Silverado 3500HD, Sierra 2500HD, Sierra 3500HD
- Transmission / controller: A50 / T14 Allison TCM
- Application: 6.6L LML Duramax Diesel
How Remote Tuning Works
- Confirm the exact transmission/controller and supported tuning platform before ordering.
- Read the supported controller or connect through the approved remote workflow.
- The Tune Shop develops the custom transmission calibration.
- Flash the supplied calibration and record requested datalogs.
- Return requested logs for review and reasonable initial revisions.
Important Fitment & Licensing Notes
HP Tuners requires 2 additional credits for the TCM. No additional EFI Live VIN license is assigned to this transmission controller. No separate TCM unlock service is assigned.
Vehicle year alone does not confirm fitment. Verify the exact transmission and controller before ordering.
What's Included
- Custom transmission calibration.
- Remote support through the applicable tuning workflow.
- Requested datalog review.
- Reasonable revisions needed to complete the initial transmission tune.
Why Choose The Tune Shop?
The Tune Shop provides personalized, one-on-one support. We verify the application, licensing, and required hardware, then build the calibration around the customer's actual vehicle and intended use instead of supplying a generic one-size-fits-all file.
Vehicle Information
Tuning Device
Please choose a tuning device.
HP Tuners Credits
Acknowledgements
I certify that this vehicle is intended for off-road or competition use only, or that the requested calibration complies with all applicable federal, state, and local emissions regulations. I understand that The Tune Shop will not provide emissions tampering calibrations for vehicles operated on public roads where prohibited by law.
- Stock Read Required: I understand that I must submit a stock read file or the required vehicle/ECM read information before custom tuning can be created. Tuning cannot begin until the required information has been received.
- Custom Vehicle-Specific Tuning: I understand that all tuning is custom-made specifically for my vehicle, regardless of whether the vehicle is stock or modified. I am responsible for providing complete and accurate information regarding the vehicle, installed modifications, and current configuration.
- Initial Tune Turnaround: I understand that the initial custom tune typically requires 3–5 business days to complete after all required files, read information, and vehicle information have been received.
- Tune Revision Turnaround: I understand that requested tune revisions may require up to 2 business days to complete after the necessary datalogs, feedback, or other requested information has been submitted.
By checking this acknowledgement, I confirm that I understand these requirements and turnaround times and agree to provide all requested information necessary to complete my custom tuning.