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 (Single or 1) Low Battery

Conditions for Setting the DTC

This code shall be set after 3 consecutive low battery signals from the same programmed transmitter.

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

Step 1 - Step 8:

The numbers below refer to the step numbers 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.