HP Tuners GM T46 TCM Service for Corvette C8 (Global B)

This HP Tuners service upgrades the original TCM for supported 2020–2026 Chevrolet Corvette C8 applications equipped with the Tremec T46 transmission controller. It prepares the TCM for tuning.

Overview

The GM T46 TCM Service is a send-in upgrade for the Corvette C8's Tremec T46 transmission controller.

Compatibility is limited to supported 2020–2026 Chevrolet Corvette C8 applications with the Tremec T46 controller.

After you order, we email you send-in instructions. Do not ship your TCM before receiving those instructions.

Fitment

Supported 2020-2026 Chevrolet Corvette C8 with the Tremec T46 transmission controller.

HP Tuners part number: TCM-GB-T46-U

How It Works

1. Order the HP Tuners GM T46 TCM Service.
2. After you order, we email you send-in instructions.
3. Send in your original TCM following the instructions.
4. After the upgrade, Max Redline can provide custom tuning through log-based remote tuning or in-shop service.

What You Need

• Your original TCM is required for the send-in service.
• The vehicle must be a supported 2020–2026 Chevrolet Corvette C8 equipped with the Tremec T46 transmission controller.

Need a Tune?

Once your module is ready, Max Redline can build your custom tune: log-based remote tuning or in-shop tuning at our South Florida shop. Call 954-507-6261 or email sales@americanmuscleperformance.net with your VIN and we will confirm the right service before you order.

FAQ

Which vehicles are supported?
Supported 2020–2026 Chevrolet Corvette C8 applications equipped with the Tremec T46 transmission controller.

Is this a send-in service?
Yes. The original TCM must be sent in for the upgrade. After you order, we email you send-in instructions.

Can Max Redline tune the vehicle after the upgrade?
Max Redline can provide custom tuning after the upgrade through log-based remote tuning or in-shop service.