Cadillac DeVille Problem Report
Cadillac DeVille Updated PROM Chip Available for Powertrain Control Module
An updated PROM (Programmable Read Only Memory) chip may be available for the powertrain control module (PCM). Check with your dealer.
According to dealers this prom chip is no longer avialiable. Has anyone been able to locate any. - svance
This powertrain control module (PCM) may develop a fault with its electrical ground location at...
I could use the Part # and price if known? She's a Sedan DeVille
Transmission shifting hard. Service engine light came on, and will not go off. Took to Auto Zon...
M mother's car will not hold a charge overnight. If she gets a jump the car will start. Three...