B3102

Circuit Description
The BCM uses CKT 461 in order to receive the command of the remote control door lock receiver module. The command locks and unlocks the doors. When a key fob button is pressed, the transmitter sends a radio frequency signal to the remote control door lock receiver module. The signal is decoded and sent to the BCM on CKT 461. The signal locks or unlocks the doors.

Conditions for Setting the DTC
- CKT 461 is shorted to ground.
- The system voltage is between 9.0 - 16.0 volts.
- The above conditions exist for 0.5 seconds.

Action Taken When the DTC Sets
- The keyless entry (RFA) system will not operate correctly.
- Remote commands from the RFA transmitter will not operate correctly.
- The content theft system will not function properly.

Conditions for Clearing the MIL/DTC
- The current DTC will clear immediately after the short to ground is corrected.
- A history DTC will clear after 100 consecutive ignition cycles without a fault present.
- History and current DTCs may be cleared using a scan tool.

Diagnostic Aids
- Always diagnose the first DTC that is listed on the scan tool.
- Verify that the scan tool displays DTC B3102 as a current code before you perform diagnostics.
- Inspect for loose or poor connections at all of the related components.
- Refer to Intermittents and Poor Connections Diagnosis in Overall Vehicle Information / Testing and Inspection.

Step 1:

Steps 2 - 6:

Step 7:

Test Description
The numbers below refer to the step numbers on the diagnostic table.
2. This step determines if the BCM is defective.
3. This step determines if one of the following conditions exists:
- The remote control door lock receiver module is defective.
- CKT 461 has a short to ground.