One problem related to check engine light on has been reported for the 2010 Jeep Wrangler. The most recently reported issues are listed below.
Drove my car and everything was fine. Parked car at my apartments and smelled something that smelled like a fire. Went to the other side and saw fire coming from under the hood. Within minutes the fire consumed the entire front of my Jeep Wrangler. I never had any problems before this not even a check engine light was on.