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Home >> Cadillac >> 1991 >> Seville Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Heated Glass/Defoggers >> Heated Windshield >> Operation >> Heated Windshield Components >> Body Computer Module

Body Computer Module

The PCM is used to increase idle speed in PARK or NEUTRAL during Heated Windshield operation. The BCM is used to enable or disable the system based on the gear selector status and engine speed. See OPERATION  .