GM TCM Unlock Services · Atlantic Mobile Tuning

GM TCM Unlock Service

Why unlock your TCM?

Late-model GM 8 and 10-speed transmissions are locked from the factory. Unlocking opens full access to shift points, line pressure and converter strategies, the difference between a stock feel and a calibration that matches your build.

Fast turnaround, fully tested
HP Tuners compatible
Support through installation and tuning

Options and pricing

Options & Pricing

1 · Mail-In Unlock

$349

Ready to tune when it comes back
TCM must return to the same vehicle
Requires a licensed HP Tuners interface for your vehicle

2 · Unlock + VIN Programming

$649

For a TCM going into a different vehicle
Includes unlocking and VIN programming

3 · Unlocked, Programmed & Pre-Tuned

$849 stock · $899 performance

Plug-and-play ready, just install and go
Optimized stock tune: slip reduction, converter lockup, line pressure
Performance tune: fully customized with BlueCat transmission software
Mail in your original TCM

Prices in Canadian dollars. Contact us to confirm the right option for your vehicle and goals.

Why choose us

Unleash your speed now

In-house unlocks, no middleman
Street and performance calibration expertise
Help available at every step

Get in touch

Tell us about your ride and your goals. We will get back to you with a plan.

Tune My Ride or call (289) 339-4251

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