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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 533 (Engine Controls/Fuel - Hybrid (LZ1) - Description And Operation) >> Description and Operation >> Engine Control Module Description >> Malfunction Indicator Lamp (MIL)

Malfunction Indicator Lamp (MIL)

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

The malfunction indicator lamp (MIL) is inside the instrument panel cluster (IPC). The MIL is controlled by the ECM and illuminates when the ECM detects a condition that affects vehicle emissions.