2020-27 C8 Corvette All Models TCM Tuning via HP Tuners

Unlock the Full Potential of Your C8 Corvette

Transform your driving experience with our cutting-edge Transmission Control Module (TCM) tune, explicitly designed for the C8 Corvette. Leveraging HP Tuners' newly unlocked GM T46 TCM capabilities, this calibration eliminates factory limitations to deliver lightning-fast, aggressive, and precise shifts.

The Ultimate Combo: This TCM calibration pairs perfectly with our existing Engine Control Module (ECM) tunes to deliver a complete and seamless high-performance package

Tuning Requirements

To successfully flash and utilize this tune, you will need the following hardware and services:

• NEW GM T46 TCM Upgrade Service: REQUIRED to physically unlock your module for tuning.

  • We will provide you instructions and shipping labels to and from HP Tuners for the unlock process.

• Interface Device: MPVI4 Interface OR RTD4 used within the Tune Delivery Network (TDN).

• Licensing: 6 HP Tuners Universal Credits per vehicle.

• Software:

  • The latest version of the TDN Phone App (Tune Delivery Network)

OR

• • The latest version of the VCM Suite for PC

Timelines and Expectations

• With the unlock procedure being so new and popular, there will be delays. Expect the unlocking to take 1-3 weeks.