My 2010 Ram 1500 started displaying low pressure warning for the rear driver side tire about a week ago, but all four tires were displayed at 35 lbs. I put a couple of punds of air in the tire, but the warning didn't disappear. After a week of driving around, I finally stopped by the dealership. They air'd all tires to 40 lbs. After about 2 minutes of driving back home, the warning disappeared. Are the sensors that sensitive, and why didn't all the sensors react to being low if 40 was the cutoff?
Robin