B3109

DTC B3109

CIRCUIT DESCRIPTION
The LOW battery detection is handled inside the transmitter. The transmitter sends a battery condition signal to the remote control door lock receiver (RCDLR) when the transmitter buttons are pressed.

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B3109 Keyless Entry Transmitter Low Battery

CONDITIONS FOR SETTING THE DTC
This code shall be set after 3 consecutive low battery signals from the same programmed transmitter.

ACTION TAKEN WHEN DTC SETS
The body control module (BCM) stores DTC B3109 in memory.

CONDITIONS FOR CLEARING THE DTC
This code is cleared as current when a normal transmitter voltage signal is received from any programmed transmitter.

TEST DESCRIPTION

Steps 1-8:

The number(s) below refer to the step number(s) on the diagnostic table.
3. This step identifies the key fob # (transmitter) with a low battery signal.
4. This step verifies that the battery replacement corrected the fault.