Powertrain Control Module Electrical Ground Fault on Cadillac Seville STS

This powertrain control module (PCM) may develop a fault with its electrical ground location at the front of the engine block near the starter motor.

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Average mileage: (–)
4 model years affected: 1990, 1991, 1992, 2002
5 people reported this problem
1 person shared problem details
Dashboard don't work,battery dies overnight to
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