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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 B2540 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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B2540 02 

The BCM detects a short to ground in the rear fog lamp switch signal circuit.

B2540 05 

The BCM detects a short to voltage or an open/high resistance in the rear fog lamp switch signal circuit.

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