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Home >> Pontiac >> 2000 >> Grand Prix V6-3.1L VIN J >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> System Operation >> Powertrain Control Module (PCM) >> Service Engine Soon/Malfunction Indicator Lamp (MIL) >> 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