One problem related to o2 sensor has been reported for the 2006 Cadillac DTS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Cadillac DTS based on all problems reported for the 2006 DTS.
The contact owns a 2006 Cadillac Dts. While driving at approximately 50 mph, the engine stalled and the check engine warning indicator illuminated. The vehicle restarted, but the failure recurred two times. The vehicle was taken to a dealer, where it was diagnosed that the catalytic converter and the upstream oxygen sensors needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 117,700.