84 reactions · 13 comments | GM Programming Walkthrough With the mandatory data sharing law recently passing in the senate, we are on the cusp of legitimate manufacturer data access. An important aspect of this is access to calibration files to carry out repairs with software updates, as shown here as we walkthrough how to update a PCM on a GM product. To join TaT visit www.tat.net.au/social.html Capricorn Society | The Automotive Technician | Facebook

A new software update for full-size GM trucks - the Chevy Silverado and GMC Sierra - is here, and it's required in order to receive future software updates. GM Authority's Alex Luft explains all in this video update. More details: https://gmauthority.com/blog/2025/12/you-need-this-chevy-silverado-gmc-sierra-software-update/ #chevytrucks #chevy #chevysilverado #chevynation #GMC #gmctrucks #gmcdenali #GeneralMotors | GM Authority