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Home >> Buick >> 2000 >> Century V6-3.1L VIN J >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> MIL Function
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MIL Function

^ The MIL Informs the driver that a malfunction has occurred and the vehicle should be taken In for service as soon as possible
^ The MIL illuminates during a bulb test and a system test
^ A DTC will be stored if a MIL is requested by the diagnostic