Diesel Data: Automotive Repair

Radio Tuner Does Not Change Stations

Radio tuner does not change stations

NOTE:
- Check the vehicle battery condition first.
- Check the connectors for poor connections or loose terminals.

1. Turn the ignition switch to ON (II).
2. Check the audio information on the display panel control unit (without navigation) or audio-HVAC subdisplay unit (with navigation).

Does the audio information display properly?

YES - Intermittent failure, the system is OK at this time.

NO - Go to step 3.

3. Operate the tuning knob to see if the radio station changes.

Does it change?

YES - Intermittent failure, the tuning knob is OK at this time.

NO - Replace the audio unit.