HP Tuners GM T46 TCM Service (Global B)

HP Tuners’ one-time send-in upgrade service for the Tremec T46 transmission controller used in supported Chevrolet Corvette C8 applications. Once upgraded and licensed, the T46 can be calibrated and diagnosed through VCM Suite.

Supported Applications

• 2020–2026 Chevrolet Corvette Stingray
• 2023–2026 Chevrolet Corvette Z06
• 2024–2026 Chevrolet Corvette E-Ray
• 2025–2026 Chevrolet Corvette ZR1

What This Enables

• Transmission diagnostics and data logging
• Calibration editing through VCM Editor
• Read, edit, and write functionality for supported transmission calibrations
• Remote tuning workflows through RTD4 and TDN

Requirements

• Your vehicle’s original T46 TCM. This is not a replacement-controller purchase.
• Latest VCM Suite BETA.
• 6 HP Tuners Universal Credits, sold separately.
• An HP Tuners MPVI4. This Global B T46 service is MPVI4-only.

Service Notes

• Send only the TCM. Do not include brackets, fasteners, wiring, or other vehicle components.
• Controllers with significant physical damage, broken connectors, water intrusion, or evidence of prior repair may not be eligible.
• Processing time does not include shipping and varies with HP Tuners’ current controller-service workload.

Shipping

HP Tuners, LLC
ATT: GM T46 TCM Service (Global B)
[YOUR ORDER NUMBER]
711 Dartmouth Lane
Buffalo Grove, IL 60089

Complete the HP Tuners Controller Upgrade Service Shipping Form and include it in the package. Customers are responsible for inbound shipping. The shipping charge associated with this service covers return shipment after modification.