Two problems related to wiring have 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.
Purchased the car used in January 2005. Electrical problems, car shut down at will going 5 miles per hour or 65 miles per hour. Stabilizing message come on, service stabilizing system, throttle body needs service. Had serviced 4 times still doing the same thing. Condition resulting replacing wiring harness. $2,000. 00. Car is a 2003 with approx 70,000 miles.
(1) flickering display lights; buzzing when turn signal engaged; battery died after 30,000 mile maintenance; eight [8] consecutive times of "engine hot--ac turned off" on dic--last time with check engine light on display.