B3109

DTC B3109

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC B3109
- Keyless Entry Transmitter 1 or Generic Low Battery

Circuit/System Description

This fault sets if the key fob programmed to slot 1 has a low battery.

Conditions for Running the DTC

The remote function actuation (RFA) system must be enabled.

Conditions for Setting the DTC

The code sets after 3 consecutive low battery signals from the same programmed transmitter.

Action Taken When the DTC Sets

The RFA system is inoperative.

Conditions for Clearing the DTC

The code is cleared as current when a normal transmitter voltage signal is received from any programmed transmitter.

Circuit/System Testing

1. Replace the batteries in the transmitter and with the scan tool clear the DTC.
2. Operate the transmitter three consecutive times. The DTC should not set.

• If the DTC sets again, test the battery.

3. If all circuits test normal, test or replace the transmitter.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests