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DTC B3109-B3113

DTC B3109-B3113

Diagnostic Instructions


• Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

• Review Strategy Based Diagnosis for an overview of the diagnostic approach.

• Diagnostic Procedure Instructions provides an overview of each diagnostic category.


DTC Descriptors

DTC B3109 00

Keyless Entry Transmitter 1 Low Battery

DTC B3110 00

Keyless Entry Transmitter 2 Low Battery

DTC B3111 00

Keyless Entry Transmitter 3 Low Battery

DTC B3112 00

Keyless Entry Transmitter 4 Low Battery

DTC B3113 00:

Keyless Entry Transmitter 5 Low Battery

Circuit/System Description

With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the remote function receiver module, along with the commanded keyless entry function. The remote function receiver module sends this to the body control module (BCM) to determine what action to perform.

Conditions for Running the DTC

A keyless transmitter button is pressed.

Conditions for Setting the DTC

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

Action Taken When the DTC Sets

The keyless entry system is inoperative.

Conditions for Clearing the DTC

The DTC is cleared when a normal transmitter voltage signal is received from the programmed transmitter that set the DTC.

Reference Information

Schematic Reference

Remote Function Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Keyless Entry System Description and Operation (With ATH) Keyless Entry System Description and Operation (Without ATH)

Electrical Information Reference


• Circuit Testing

• Connector Repairs

• Testing for Intermittent Conditions and Poor Connections

• Wiring Repairs


Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

Verify none of the following DTCs are set:


• DTC B3109

• DTC B3110

• DTC B3111

• DTC B3112

• DTC B3113


Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.


• Remote Control Door Lock Transmitter Programming (Without ATH) Remote Control Door Lock Transmitter Programming (With ATH)

• Control Module References for remote function receiver module replacement, setup, and programming