Engine Control Module: All Technical Service Bulletins
Recall - Corrosion/Moisture Entering the PCM
Product Emission 99090 - PCM Corrosion/Moisture Intrusion #99090
99090--PCM Corrosion/Moisture Intrusion (Install Protective PCM Shield/Cover Assembly)
Certain 1997, 1998 and 1999 Chevrolet Cavaliers and Pontiac Sunfires Located in Fifteen U.S. High Road Salt Corrosion States (CT, IL, IN, MA,
ME, MN, NH, NJ, NY, OH, PA, RI, VT, and WI) and in Ontario, Quebec and Atlantic Provinces, and Certain 1995, 1996, 1997, 1998 and 1999
Chevrolet Cavaliers and Pontiac Sunfires located in Manitoba, Saskatchewan, Alberta, British Columbia, the Yukon and Northwest Territories.
Condition
General Motors has decided to conduct a Voluntary Emission Campaign involving certain 1997, 1998 and 1999 Chevrolet Cavalier and Pontiac
Sunfire model vehicles located in fifteen U.S. high salt corrosion states and in Ontario. Quebec and Atlantic provinces; and certain 1995, 1996,
1997, 1998, and 1999 Chevrolet Cavalier and Pontiac Sunfire model vehicles located Manitoba, Saskatchewan, Alberta, British Columbia, the
Yukon and Northwest Territories. These vehicles have the potential to experience moisture entering the Powertrain Control Module (PCM), as a
result of corrosion after extended exposure to road salt, Moisture entering the PCM can lead to symptoms including illumination of the Check
Engine light or the engine running rough. If these symptoms are ignored, the engine may stall and may not be able to be restarted.
Correction
Dealers are to seal the Powertrain Control Module (PCM) in a protective shield/cover assembly.
1995 Pontiac Sunfire L4-2.2L VIN 4 Page 1
