Symptom Troubleshooting

Symptom Troubleshooting: The audio-HVAC subdisplay and HFL digits do not go away after pressing the HFL BACK button

The audio-HVAC subdisplay and HFL digits do not go away after pressing the HFL BACK button

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 to LOCK (0).

6. Substitute a known-good HandsFreeLink control unit, then turn the ignition switch to ON (II), and recheck the audio-HVAC subdisplay.

Are the messages cleared?
YES - Replace the original HandsFreeLink control unit. HandsFreeLink Control Unit Input Test/Replacement (With HandsFreeLink)

NO - Replace the gauge control module. Gauge Control Module Replacement