B3109

DTC B3109

CIRCUIT DESCRIPTION
The LOW battery detection is handled inside the transmitter. The transmitter sends a battery condition signal to the body control module (BCM) when any transmitter button is pressed.

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC.
DTC B3109 Low Battery Signal from Programmed Fob.

CONDITIONS FOR SETTING THE DTC
This code shall be set whenever a low battery signal is received from any 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.
- A scan tool may be used to clear history and current DTCs.

TEST DESCRIPTION

Step 1 - Step 8:

The numbers below refer to the step numbers on the diagnostic table.
2. This step identifies the transmitter with a low battery signal.
4. This step verifies that the battery replacement corrected the fault.