Powertrain Control Module (PCM) Can Fail Affecting Drivability on Cadillac Seville STS

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

RepairPal Verified
Average mileage: (–)
3 model years affected: 1990, 1991, 1992
3 people reported this problem
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews