Diagnostic Instructions
DTC Descriptor
DTC B3105
Keyless Entry Transmitters
For symptom byte information, refer to Symptom Byte List .
Circuit/System Description
The body control module monitors the number of keyless entry transmitters programmed. Until at least one transmitter is programmed, the body control module determines a malfunction condition exists.
Conditions for Running the DTC
The body control module has been set up without transmitters being programmed.
Conditions for Setting the DTC
No keyless entry transmitter programmed to the body control module.
Action Taken When the DTC Sets
The keyless entry system is inoperative.
Conditions for Clearing the DTC
A current DTC is cleared when at least one transmitter has been programmed to the body control module.
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
Replace the transmitter.
If the transmitter is correct
If the transmitter does not program successfully
Replace the transmitter.
If the transmitter programs successfully
Repair Instructions
Perform the Diagnostic Repair Verification after completing the repair.
Key with Integrated Transmitter Programming
DTC B3106: Keyless entry data link
DTC B3109-B3113: Keyless entry transmitter 1-5 battery
DTC B310D-B310F: Keyless entry transmitter 6-8 battery
Radiator replacement (LUJ, LUV)
DTC P1677: Immobilizer system disabled