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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC U1500 >> Conditions for Running the DTC

Conditions for Running the DTC

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The microprocessor runs the program to detect an internal fault during module power up and every 10 seconds thereafter until the module re-enters the sleep mode.