Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
2001 Cadillac DeVille Problem Reports
Most Reported 2001 Cadillac DeVille Problem Reports
The parking brake may not release automatically due to a failed vacuum switch or actuator. Our technicians tell us that if vacuum is supplied to the actuator when the transmission is in gear, the vacuum switch is functioning and replacing the actuator should correct this concern.
The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.
The steering wheel position sensor may fail, resulting in the service stability message being displayed.
Water may be drawn into the secondary air injection (AIR) pump causing the pump to fail and the Check Engine Light to illuminate. Our technicians tell us there is a kit available from General Motors to relocate the air intake for the pump which should prevent future damage from water intrusion.
Just started last week. This warning has always lit up if I make a sudden stop, but then goes away. Last week it did not go away and now stays on all the time, even though the coolant level is fine.
Acid may leak from the battery at the cable connections, resulting in corrosion on the battery cable ends and in the battery tray. A Leaking battery should be replaced and the cables thoroughly cleaned or replaced if necessary.
i got trapped in the tranny replacement thinking i would never have to worry about it again, hah 2 months after the warranty its back. 3year 100,000 miles warranty and 40,000 miles later the 4000 dollars i had put in the car is all for nil. this motor drivetrain has so many service bulletins it is a another high end GM rip off,that was junk to begin with and Cadillac wont own up to it. Lets see a 70,000 dollar throw away my house was a bit mor...