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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Mirrors) >> Diagnostic Information and Procedures >> DTC B1640 or B1645 >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

The DDM and PDM will ignore the class 2 message and stop supplying battery voltage on the shorted circuit.

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