Service Information

Orlando

DTC B3106

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 Descriptor

DTC B3106 00: Keyless Entry Data Link

Circuit/System Description

The remote control door lock receiver receives a signal from the keyless entry transmitters when a button is pressed; it then sends the request to the BCM.

Conditions for Setting the DTC

The transmitter that is sending a signal to the remote control door lock receiver is different from those transmitters stored in the body control module (BCM).

Action Taken When the DTC Sets

No action is taken.

Conditions for Clearing the DTC

•	A current DTC will clear when the fault is no longer present and the ignition switch is cycled.

•	The history DTC will clear after 40 consecutive ignition cycles without a fault present.

Reference Information

Schematic Reference

Remote Function Schematics

Component Connector End Views

Description and Operation

Keyless Entry System Description and Operation : with ATH → without ATH

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

With a valid transmitter, press a button on the transmitter.
Verify that DTC B3106 is not set.

⇒	If the DTC is set, replace the K77 remote control door lock receiver.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for remote control door lock receiver replacement, setup, and programming