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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 B3891 >> DTC Descriptors

DTC Descriptors

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DTC B3891 02

Trailer Fog Lamps Circuit Short to Ground

DTC B3891 05

Trailer Fog Lamps Circuit Short to Battery or Open