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Home >> Cadillac >> 2001 >> Catera V6-3.0L VIN R >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Malfunction Indicator Lamp (MIL)
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Malfunction Indicator Lamp (MIL)

The MIL is inside of the Instrument Panel Cluster (IPC). The MIL is controlled by the ECM and illuminates when the ECM has detected a problem that affects the vehicle emissions.
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