GM, Chevy & GMC PCM / TCM Unlock / Programming
GM, Chevy & GMC PCM / TCM Unlock & Programming
Unlock the full potential of your GM, Chevrolet, and GMC vehicle with N2Speed’s professional PCM and TCM unlock and programming services. Whether you’re preparing for a custom tune or upgrading your performance setup, our team provides precise, reliable unlock solutions for modern GM powertrains.
We specialize in today’s most common GM controller platforms including E92, E90, E41, and T87A modules found in Silverado, Sierra, Camaro, Corvette, and SUV applications. Our services cover bench unlocks, mail-in unlocks, and TCM programming for vehicles equipped with 6-, 8-, and 10-speed transmissions. Every unlock is performed using OEM-grade tools and verified for full tuning access and compatibility with your calibration software.
Once unlocked, your PCM and TCM can be tuned using HP Tuners or DiabloSport to refine power delivery, shift behavior, torque management, and throttle response. Whether you’re dialing in a daily driver or a boosted build, N2Speed ensures your hardware is ready for professional custom tuning.
Choose N2Speed for fast turnaround, nationwide mail-in service, and expert support from experienced GM calibrators. Unlock your GM, Chevy, or GMC PCM and TCM today — and take your performance tuning to the next level.