One problem related to ignition module has been reported for the 2003 Cadillac CTS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Cadillac CTS based on all problems reported for the 2003 CTS.
The contact owns a 2003 Cadillac Cts. While driving at approximately 35 mph, the vehicle stalled. The failure recurred on multiple occasions. The vehicle was taken to an independent mechanic. The mechanic diagnosed that the ignition module and switch failed. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 190,000. The VIN was unavailable.