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Home >> Cadillac >> 2002 >> Seville STS V8-4.6L VIN 9 >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Powertrain Control Module (PCM) Description >> Service Engine Soon/Malfunction Indicator Lamp (MIL)
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Service Engine Soon/Malfunction Indicator Lamp (MIL)

The service engine soon/Malfunction Indicator Lamp (MIL) is located in the Instrument Panel Cluster (IPC). The MIL is controlled by the powertrain
control module (PCM) and is used to indicate that the PCM has detected a problem that affects vehicle emissions may cause powertrain damage, or severely impact driveability.