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Home >> Saturn >> 2004 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Keyless Entry System And Remote Functions) >> Diagnostic Information and Procedures >> DTC B3109 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2007 Saturn Ion Red Line, 2007 Saturn Ion 3, and 2007 Saturn Ion 2. However, it is still accessible from the selected car via links, so may be relevant.

With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the body control module (BCM) along with the commanded keyless entry function.

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