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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 204 (Keyless Entry System & Remote Functions) >> Diagnostic Information and Procedures >> DTC B3109, B3110, B3111, or B3112 >> Circuit/System Description

Circuit/System Description

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With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the remote control door lock receiver (RCDLR) along with the commanded keyless entry function.

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