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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 450 (Mirror System) >> Diagnostic Information and Procedures >> DTC B1640 >> Diagnostic Fault Information

Diagnostic Fault Information

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Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Mirror Heating Element Supply Voltage B1640 02 1 B1640 01 -
Low Reference - 1 1 -
1. Heated Mirror Malfunction