GMC Yukon owners have reported 845 exterior lighting related problems since 1996. Table 1 shows the 13 most common exterior lighting problems. The number one most common problem is related to the vehicle's tail light switch (274 problems). The second most common problem is related to the vehicle's brake light (259 problems). For details of each of the problem category, use the links in the table.
Left and right braking lights some time do not work when braking. Only the reverse light will work while the braking light will not. To add, when the front headlights are on, some times the left and right tail lights (light that is on when not braking) and braking lights will not work. Read details...
The contact owns a 2016 GMC Yukon. The contact stated that while driving at various speeds, fellow motorist would alert the contact that his brake lights had failed to illuminate. Upon inspection, the contact discovered that both rear break lights would intermittently fail to illuminate upon Read details...
Check engine and transmission alerts appeared in the app; vehicle showed “check 4x4” while driving, cleared next day •engine not sounding normal •paint peeling •fading plastic trim •front bumper misaligned •rear bumper misaligned •loose front door frames Read details...
The contact owns a 2015 GMC Yukon xl denali. The contact stated that while driving at an undisclosed speed, the front passenger's side headlight failed to illuminate. The vehicle was taken to the dealer, where the passenger's side tail light was replaced; however, the failure recurred. Read details...
Took my certified pre-owned 2015 Yukon xl into dealer while still under warranty with intermittent failure in both tail lamps (the red part for brake and tail lamp function goes out; turn signal still works). Read details...