Powertrain Control Module Electrical Ground Fault on Cadillac Seville

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: (–)
4 model years affected: 1990, 1991, 1992, 1993
4 people reported this problem