DTC B3106
Diagnostic Instructions
DTC Descriptor
DTC B3106 00: Keyless Entry Data Link
Circuit/System Description
The body control module (BCM) communicates with the remote control door lock receiver through the keyless entry serial data circuits. When any button on the keyless entry transmitter is pressed, the transmitter sends a signal to the remote control door lock receiver. The remote control door lock receiver sends a function request to the BCM, depending on which button is pressed on the transmitter. The BCM receives the message and performs the appropriate function.
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 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 mode switch is cycled. |
| • | A history DTC will clear after 40 consecutive ignition cycles without a fault present. |
Reference Information
Schematic Reference
Remote Function Schematics
Component Connector End Views
Component Connector End Views
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
- With a valid and learned transmitter, press a button on the transmitter.
- Verify that DTC B3106 is not set.
| | Replace the K77 remote control door lock receiver. |
| ⇓ | If DTC B3106 is not set
|
- All OK.
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
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