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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 184 (Mirror Systems) >> Diagnostic Information and Procedures >> DTC B1640 >> Conditions for Setting the DTC >> B1640 02

B1640 02

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A short to ground is detected on the mirror heating element control circuit while the heated mirrors are active.

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