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Cadillac Seville STS Problems

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

Problem Description and Possible Solution

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

(6 people reported this problem)

Cadillac Seville STS Vehicles With This Problem

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Average mileage: (–)
3 model years affected: 1990, 1991, 1992
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