B3109

DTC B3109

CIRCUIT DESCRIPTION
When any button is pressed, the keyless entry transmitter sends a battery condition signal to the body control module (BCM). This signal is used to alert the vehicle operator of a low battery condition which may cause the keyless entry system to become inoperative from that specific transmitter.

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




This vehicle has DTCs which include DTC symptoms. For more information on DTC symptoms, refer to DTC Symptom Description. DTC Symptom Description

CONDITIONS FOR RUNNING THE DTC
The keyless entry system is enabled.

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 7:

The numbers below refer to the step numbers on the diagnostic table.
2. This step identifies the transmitter transmitting the own battery signal.