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

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

RepairPal Verified
Average mileage: 138,000 (138,000–138,000)
3 model years affected: 1990, 1991, 1992
4 people reported this problem
1 person shared problem details
1992 Cadillac Seville138,000
won't shift o\into 2nd gear
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