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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 Battery

DTC B3110 00: Keyless Entry Transmitter 2 Battery

DTC B3111 00: Keyless Entry Transmitter 3 Battery

DTC B3112 00: Keyless Entry Transmitter 4 Battery

DTC B3113 00: Keyless Entry Transmitter 5 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 control door lock receiver, along with the commanded keyless entry function. The remote control door lock receiver sends this to the body control module (BCM) to perform the requested function.

Conditions for Running the DTC

A keyless transmitter button is pressed.

Conditions for Setting the DTC

3 consecutive low battery signals are received from the same 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 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

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

  1. Verify none of the DTCs listed below are set:
  2. • DTC B3109
    • DTC B3110
    • DTC B3111
    • DTC B3112
    • DTC B3113
    If any of the DTCs are set
    1.1. Replace the battery in the appropriate keyless entry transmitter and operate the transmitter 3 consecutive times.
    1.2. Verify the DTC does not set.
    ⇒     If the DTC sets, replace the keyless entry transmitter.
    ⇓     If the DTC does not set
    1.3. All OK.
    ⇓   If none of the DTCs are set
  3. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Key with Integrated Transmitter Programming

   


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