Traction control and check engine light
2. Traction Control - that might have triggered a stores code - best thing you can do from your end is to recheck individual tires pressures at all 4-wheels ( per the pressure stated inside the fuel filler door) to see if uneven pressure has triggered that.
3. If you have a Check Engine Light and Traction Control going off-line on it's own - the YES you should schedule a Service Appt at your dealer



