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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 172 (Lighting Systems) >> Diagnostic Information & Procedures >> DTC B2540 >> Conditions for Setting the DTC >> B2540 02

B2540 02

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DTC B2540 02 will set when the BCM detects a short to ground in the rear fog lamp switch signal circuit.