Audio System Symptom Troubleshooting Index

Symptom
Diagnostic Procedure
Also Check for
Poor or no sound with AM/FM radio
Aftermarket FM modulator
Loose antenna amplifier mounting bolt
AM/FM radio display is blank or no station information is displayed
 
Excessive transition between analog broadcast and digital HD Radio(TM) broadcast
Receiver is located near the edge of the digital HD Radio(TM) coverage area. Refer to www.hdradio.com to verify radio stations in your coverage area
 
HD Radio(TM) changes HD channel on its own
This is intended behavior. HD Radio(TM) is set to revert to main channel after extended loss of HD2/HD3 broadcast
 
AM radio reception changes at night
This is a system characteristic. AM radio stations are required by the government (FCC) to lower their power at night
 
Audio unit will not turn on (No information display)
 
No sound is heard from all the speakers (display is normal)
Aftermarket amplifier or speakers
Audio system sound is weak or distorted (display is normal)
Fader and balance positions
Aftermarket amplifier or speakers
AM/FM radio preset memory is lost
Internal error
Volume does not increase with speed
Speed-sensitive Volume Control settings (see the Owner's Manual)
Volume is too high or too low when driving at freeway speeds
 
Speed-sensitive Volume Control settings (see the Owner's Manual)
Center display unit button does not work
Check the Touch Panel Sensitivity in the System Settings
Center display unit does not dim
 
The MID does not display the audio unit information
 
Audio remote-HFL switch does not work properly (audio unit buttons work)
 
Audio unit does not exit anti-theft mode
 
USB device does not function
USB device compatibility (see the Owner's Manual)
Bluetooth audio does not work
 
Bluetooth phone compatibility (see the Owner's Manual)
Pandora is not is displayed as an audio source
 
Rearview camera image does not come on
 
Rearview camera image does not change when selecting different views
 
USB charger does not work
 
Booming sound while driving with audio system on or off
Powertrain vibration or judder
LaneWatch camera image does not come on
XM radio display is blank and no station information is displayed
With navigation: Navigation DTCs
Without navigation: Audio DTCs
System always comes up in-line diagnostic mode