The 2024 GMC Sierra HD is included in a new customer satisfaction program issued by General Motors, which includes a fix for a problem that can cause intermittent loss of trailer brake function in ...

You likely became well aware of the need for a brake controller the first time you ever drove a tow vehicle with a travel trailer on a trip. It’s no wonder why most states require them. Their purpose ...

GM has issued a service bulletin for certain units of the GMC Sierra, GMC Yukon and GMC Hummer EV due to an issue with the brake control switch. The problem: affected vehicles equipped with the ...