Table 1 shows six common equipment related problems of the 2015 GMC Sierra 1500. The number one most common problem is related to the equipment (54 problems). The second most common problem is related to the air conditioner (nine problems).
For no apparent reason the truck goes into “low power mode” and gives off code p2138 often happens around 30-35 mph. Have had it happen to me also around 45 mph also. I have replaced sensors and parts to which a month or so goes by and it happens again. Read details...
The air conditioning went out suddenly, just after the warranty expired. After research, this is an issue known to gm as they are currently subjects in proposed class-action lawsuits in 2 states regarding this defect. Read details...
What happened to the yukon a/c issue happened to me. What would it take to make sure the sierra has the same recall as the yukon? "yukon and yukon xl vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and ac condenser cooler creates a crack that may Read details...