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

Problem Description and Possible Solution

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

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