Diagnostic Instructions
DTC Descriptors
DTC B3109
Keyless Entry Transmitter 1 Battery
DTC B3110
Keyless Entry Transmitter 2 Battery
DTC B3111
Keyless Entry Transmitter 3 Battery
DTC B3112
Keyless Entry Transmitter 4 Battery
DTC B3113
Keyless Entry Transmitter 5 Battery
For symptom byte information, refer to Symptom Byte List .
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 to perform the requested function.
Conditions for Running the DTC
A keyless transmitter button is pressed.
Conditions for Setting the DTC
Three 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 (Encore), Remote Function Schematics (Trax)
Connector End View Reference
WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - ENCORE WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - TRAX
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
If any of the DTCs are set
If none of the DTCs are set
DTC B310D-B310F: Keyless entry transmitter 6-8 battery
Remote vehicle start malfunction
Remote functions - Description and operation
Headlining trim panel replacement (without sunroof, trax)
Power steering system bleeding