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 BatteryDTC 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
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
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.
Diagnostic Aids
The keyless entry transmitter used in the 2-Way Advanced Remote Start System is unique to the system. When servicing or replacing a transmitter, ensure that the correct transmitter is used. The correct transmitter part number can be found in the Accessory section of the parts catalog. Attempting to replace a 2-Way Advanced Remote Start transmitter with a regular service part may result in a failure to program the transmitter.
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
Keyless Entry System Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
Verify DTC B3109, B3110, B3111, or B3112 are not set.
| ⇒ | If any of the DTCs are set, replace the battery in the appropriate keyless entry transmitter. Operate the transmitter 3 consecutive times. If the DTC resets, replace the keyless entry transmitter. |
Repair Instructions
Important: This vehicle may be equipped with the 2-Way Advanced Remote Start System. Vehicle equipped with the 2-Way Advanced Remote Start System can be identified by an LCD screen on the keyless entry transmitter or a yellow label on the RCDLR. When servicing the 2-Way Advanced Remote Start System, ensure that the correct parts are installed during replacement. Service parts for the 2-Way Advanced Remote Start System can be found in the Accessory section of the parts manual.
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
