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.

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