We never had the Service Advance Trac warning just a traction control active light. It would come on randomly and stay on constantly till the key was cycled. My bride was driving it the first time it came on. After a couple weeks of on and off she said it seems like it’s hopping in the back when the lights on. I was looking to see if the rotors showed any damage from TC applying the brake when I noticed the tire.
Put the spare on, 18 in versus 20 and it still tripped once or twice. Put new Michelin LTX MS2’s in 20 in size and no issues in about 500 miles.
