Powertrain Control Module Electrical Ground Fault on Cadillac Seville

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.

RepairPal Verified
Average mileage: (–)
4 model years affected: 1990, 1991, 1992, 1993
4 people reported this problem
0 people shared problem details
Related Items:
An updated PROM (Programmable Read Only Memory) chip may be available for the powertrain contro...
System Stability Control light comes on and the brake system fails for about 3 to 5 seconds. At...
The powertrain control module (PCM) can fail causing stalling, and various engine and transmiss...
One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail...
The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. F...

Related Content