GM Authority

HP Tuners Unlocks C8 Corvette Z06 And ZR1 Factory ECU: Video

HP Tuners has unlocked the factory E68 engine control module, opening the door for aftermarket power upgrades for both the C8 ...

HP Tuners Breaks New Ground with ZR1 ECM Access

ZR1 ECM tuning breakthrough as HP Tuners unlocks GM’s E68 ECM, enabling major performance gains for Corvette Z06 and ZR1 ...

Is the C8 Chevy Corvette ZR1 Too Slow for You? HP Tuners Has a Nearly 1200-HP Fix for That

HP Tuners cracked the engine control module for GM's LT6 and LT7 V-8s, and then a modded ZR1 registered 1180 horsepower at the wheels.
GM Authority

Chevy Trailblazer Recalled For Engine Control Module Issue

GM has issued a voluntary emissions recall for certain units of the 2021 through 2023 Chevy Trailblazer to address an issue with the crossover’s engine control module, which may not properly clear an ...