Table 1 shows ten common electrical system related problems of the 2015 GMC Sierra 1500. The number one most common problem is related to the electrical system (87 problems). The second most common problem is related to the integrated trailer brake control (two problems).
Power steering seems to be lost for a second or two at low speeds turning. Happens multiple times a day. Read details...
The contact owns a 2015 GMC Sierra 1500. The contact stated that while driving at various speeds, the warning message "service trailer brake system" was displayed along with an audible warning chime although no trailer was being towed. Read details...
Tl the contact owns a 2015 GMC Sierra 1500. While driving 10 mph, the vehicle stalled and completely lost power. The vehicle was taken to joe basil Chevrolet (5111 transit rd, depew, NY 14043, (716) 683-6800) where the contact was informed that a negative battery cable needed to be replaced. Read details...