One problem related to check engine light on has been reported for the 2013 Cadillac ATS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2013 Cadillac ATS based on all problems reported for the 2013 ATS.
The contact owns a 2013 Cadillac Ats. The contact stated that the vehicle had a faulty catalytic converter. The contact stated that the check engine warning light was illuminated. The vehicle was not taken to a dealer. The vehicle had not been repaired as of yet. The manufacturer was informed of failure and informed the contact that the vehicle was outside of the warranty period. The failure mileage was approximately 103,200.