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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 439 (Lighting System) >> Diagnostic Information and Procedures >> DTC B3588 >> Circuit/System Description

Circuit/System Description

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The auxiliary body control module (XBCM) receives a momentary ground signal from the rear fog lamp switch when the switch is activated. The rear fog lamps will remain illuminated until the switch is activated again or when the ignition key is cycled.

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