2002 Cadillac Deville Service Theft System - How long have you had problems starting the vehicle? I have a 2002 deville, for the last week i have had the service theft system light on coupled with traction control and a constant security system light. After changing the oil and. My service theft system came on on a 2002 deville cadillac lights radio dashboard display and everything comes on but the car will not turn over Conducting necessary tests after the reset, such as checking. I own a 2000 cadillac seville sts and every once in awhile a message comes on the dash telling me to (service the theft system) the next time i start the engine the message. The service security system message pops up. The fuse box under the hood is not getting any power going to it. The car stalled a few times before on different a cations. Try looking up symptoms for a bad ecu or anti theft module and see if they match what is happening with yours.
How long have you had problems starting the vehicle? I have a 2002 deville, for the last week i have had the service theft system light on coupled with traction control and a constant security system light. After changing the oil and. My service theft system came on on a 2002 deville cadillac lights radio dashboard display and everything comes on but the car will not turn over Conducting necessary tests after the reset, such as checking.