I have a GMC Yukon XL Denali and today it started sliding (and for the past week, the back end wants to break loose ) and today I stopped and got gas and went to start it, it had a dead battery
and positive terminal had alot of corrosion on it. Cleaned off the corrosion and pushed it backwards and somehow it started on its own. when I pushed it backwards it then said "stability system not active" traction control not working and then started. but quite scary. Corrosion all over battery. dont know if that will fix the problem
JA: Did you test the battery with a voltmeter? And have you ever changed one before?
Customer: I have not changed the battery on this truck. Could be original AC Delco. Haven't tested the battery with a voltmeter. Didn't know if that could cause the truck to slide while driving .
JA: What year is your Yukon XL?
JA: Are you fixing your Yukon XL yourself? What have you tried so far?
Customer: Just got home.. Not real sure if I want to drive it so haven't done anything yet
JA: Anything else you want the mechanic to know before I connect you?
Customer: thats about it.