Cadillac DeVille Problem Report

Cadillac DeVille Powertrain Control Module (PCM) Can Fail Affecting Drivability

(9 reports)

The powertrain control module (PCM) can fail causing stalling, and various engine and transmission drivability concerns.

mine runs god when cold bad when warm pcm sendind 2 volts to pcm instead of 5 volts -
It stalled on me one day, then next it worked fine. Took the aircleaner box and filter out, tapped on the pcm and it sarted to shoot all kinds of error messages to my dash. Still trying to fix it. -
I was having the same issue with my pcm and I send it to be reprogrammed thru an online store -
idel rough shifting slow -
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