HP Tuners Expands Support for GM Global B T93 TCMs with New Service Number Coverage
Published on: December 11, 2025Categories: New Vehicle Support, Press Releases
BUFFALO GROVE, IL, December 11, 2025—HP Tuners is pleased to announce expanded support for the GM Global B T93 Transmission Control Module (TCM), now covering all known T93 service numbers, including units found in 2024–2026 Chevrolet Silverado and GMC Sierra 2500/3500 6.6L L5P Duramax trucks.
This update enhances HP Tuners’ existing mail-in T93 Global B TCM Service, enabling full diagnostics, scanning, data logging, and custom transmission calibration in VCM Suite once the TCM has been upgraded.
Newly Supported T93 Service Numbers:
- 24049788
- 24056863
These additions join the previously supported units—24043414, 24043412, and 24294753—bringing total coverage to all known T93 controllers across GM’s expanding Global B platform.
Requirements for tuning:
- MPVI3 or MPVI4 device – $399.99
- Credit-licensing cost: (4) Universal Credits per TCM
- Latest version of VCM Suite Beta – Free download
- Supported on TDN using RTD3 & RTD4 devices (4 credits)
- Requires the GM T93 Global B TCM Upgrade Service
With this expansion, HP Tuners strengthens its position as the industry’s most complete calibration and diagnostics provider for modern GM vehicles.
ABOUT HP TUNERS—HP Tuners is the leading diagnostic and calibration solution for vehicle aftermarket performance with over 20 years of expertise. From diagnostics, data logging, scanning, custom calibration, and more, HP Tuners offers the most comprehensive solution for OBDII-equipped import, domestic, and powersports vehicles. Connect with HP Tuners at www.hptuners.com.