B3112

DTC B3109, B3110, B3111, or B3112

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 Descriptors

DTC B3109
- Keyless Entry Transmitter 1 Low Battery

DTC B3110
- Keyless Entry Transmitter 2 Low Battery

DTC B3111
- Keyless Entry Transmitter 3 Low Battery

DTC B3112
- Keyless Entry Transmitter 4 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 control door lock receiver (RCDLR) along with the commanded keyless entry function.

Conditions for Running the DTC

The keyless entry system must be enabled.

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 any programmed transmitter.

Circuit/System Verification

Verify none of the following DTCs are set:

* B 3109
* B 3110
* B 3111
* B 3112

If any of the DTCs are set, replace the battery in the applicable keyless entry transmitter. Operate the applicable transmitter 3 consecutive times. If any of the DTCs reset, replace the applicable keyless entry transmitter.

Repair Instructions

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

* Transmitter Battery Replacement
* Transmitter Programming