Car Problem Reports

Cadillac DeVille Updated PROM Chip Available for Powertrain Control Module

Cadillac DeVille Problem
8 Reports
Me Too

Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995

Exhaust & Emissions Affected: 4.9L V8


An updated PROM (Programmable Read Only Memory) chip may be available for the powertrain control module (PCM). Check with your dealer.

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