Symptom Troubleshooting

HandsFreeLink System Symptom Troubleshooting - The HFL digits do not go away from the audio-HVAC display after pressing the HFL BACK button

The HFL digits do not go away from the audio-HVAC display after pressing the HFL BACK button

NOTE: Before doing this troubleshooting, refer to General Troubleshooting Information Initial Inspection and Diagnostic Overview to make sure the phone is compatible and configured correctly.

1. Connect the HDS to the DLC.

2. Clear the DTCs with the HDS.

3. Turn the ignition switch to LOCK (0), and then back to ON (II).

4. Check for DTCs.

Are there any DTCs indicated?

YES -

Repair the indicated DTCs.�

NO -

Go to step 5.

5. Turn the ignition switch to LOCK (0).

6. Check the connections on the HandsFreeLink control unit. If the connections are OK, substitute a known-good HandsFreeLink control unit Service and Repair, then turn the ignition switch to ON (II), and recheck the audio-HVAC display.

Are the messages cleared?

YES -

Replace the original HandsFreeLink control unit Service and Repair.�

NO -

Replace the gauge control module Service and Repair.�