One problem related to catalytic convertor has been reported for the 2019 Cadillac CTS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2019 Cadillac CTS based on all problems reported for the 2019 CTS.
The contact owns a 2019 Cadillac Cts. The contact stated that while driving at 40 mph, the check engine warning light illuminated. The vehicle was taken to an auto parts store and was diagnosed with catalytic converter failure. The contact stated that upon cleaning the catalytic converter and driving for 50 miles, the warning light turned off. The vehicle was not repaired. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 74,990.
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| Catalytic Convertor problems |