Updated PROM Chip Available for Powertrain Control Module: Cadillac Seville Muffler & Exhaust

Problem overview

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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Cadillac Seville vehicles with this problem

3 model years affected

1992 Cadillac Seville

1991 Cadillac Seville

1990 Cadillac Seville

1992 Cadillac Seville

1991 Cadillac Seville

1990 Cadillac Seville

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Updated PROM Chip Available for Powertrain Control Module on Cadillac Seville

Problem overview

Cadillac Seville vehicles with this problem

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