One problem related to check engine light on has been reported for the 2006 Toyota Scion Xd. The most recently reported issues are listed below.
Tl- the contact owns a 2006 Toyota Scion Xd. The contact stated that while driving the traction control and check engine light illuminated. The vehicle was taken to a independent mechanic where the technician diagnosed a part of the engine needs to be replaced. The repair was not made to the vehicle and the manufacturer was not made aware of the failure. The failure mileage was 57,000. Sr.