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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Cellular, Entertainment, And Navigation) >> Diagnostic Information and Procedures >> DTC B1001 >> Conditions for Running the DTC

Conditions for Running the DTC

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 DTC is run when the module changes from OFF to ON. This may be in response to the radio switch or the ignition ON signal.