Audio System Symptom Troubleshooting Index (Audio System)

NOTE: Refer to Navigation System Symptom Troubleshooting about the symptom which is not in the following table .

Symptom	Diagnostic Procedure	Also Check for
Poor or no sound with AM/FM radio	Symptom Troubleshooting	Radio reception Aftermarket FM modulator
AM/FM radio display is blank or no station information is displayed	Symptom Troubleshooting	Radio reception Aftermarket FM modulator
Excessive transition between analog broadcast and digital broadcast	Receiver is located near the edge of the digital coverage area. Refer to www.hdradio.com to verify radio stations in your coverage area	See HD Radio (TM) Future
HD Radio (TM) changes 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	See HD Radio (TM) Future
AM radio reception changes at night	This is intended behavior. AM radio stations are required by the government (FCC) to lower their power at night	See HD Radio (TM) Future
Audio unit power will not turn on (No information display)	Symptom Troubleshooting
Center display unit does not work (without navigation)	Symptom Troubleshooting
No sound is heard from all the speakers (display is normal)	Symptom Troubleshooting	Fader and balance positions Aftermarket amplifier or speakers
Audio system sound is weak or distorted (display is normal)	Symptom Troubleshooting
Auxiliary input sound is low or cannot be heard	Symptom Troubleshooting	AUX device volume is too low Auxiliary stereo cables compatibility
Radio preset memory is lost	Symptom Troubleshooting	Linked remotes
Radio tuner does not change stations	Symptom Troubleshooting
Volume does not change	Symptom Troubleshooting
Volume does not increase with speed	Symptom Troubleshooting	Check for and resolve any B-CAN DTCs Speed-sensitive Volume Control settings (see the Owner's Manual)
Volume is too high or too low when driving at freeway speeds	Symptom Troubleshooting
Clock subdisplay unit does not work	Symptom Troubleshooting
Clock subdisplay does not dim or brighten with dimmer	Symptom Troubleshooting
ODMD (TM) does not dim or brighten with dimmer	Symptom Troubleshooting
ODMD (TM) buttons do not work or respond properly	Symptom Troubleshooting
Center switch panel button illumination does not work	Symptom Troubleshooting
Interface dial and center switch panel buttons do not work (without navigation)	Symptom Troubleshooting

Symptom	Diagnostic Procedure	Also Check for
Center display does not dim or brighten with dimmer (without navigation)	Symptom Troubleshooting
Audio remote-HFL switch does not work (ODMD (TM) and center switch buttons work)	Symptom Troubleshooting
Audio disc does not load	Symptom Troubleshooting	Damaged disc
Audio disc does not eject	Symptom Troubleshooting	Damaged disc Disc with a label
Audio disc does not play	Symptom Troubleshooting	Foreign objects such coins or paper inserted into the audio disc player
Audio disc skips	Symptom Troubleshooting	Tire pressure (over-inflated), disc smudged, or scratched
Audio unit does not exit anti-theft mode	Symptom Troubleshooting
Audio-navigation unit does not exit anti-theft mode	Symptom Troubleshooting
Rearview camera image does not come on (without navigation)	Symptom Troubleshooting	Dirty rearview camera lens Object blocking rearview camera
Rearview camera image does not change when selecting different views (without navigation)	Symptom Troubleshooting
Booming sound while driving with audio unit on or off	Symptom Troubleshooting
USB device does not function	Symptom Troubleshooting	USB device volume is too low USB device compatibility (see the Owner's Manual)
USB input sound is low or cannot be heard	Symptom Troubleshooting	USB device volume is too low USB device compatibility (see the Owner's Manual)
Error code: Check Antenna is displayed	Symptom Troubleshooting
XM radio display is blank and no station information is displayed	Symptom Troubleshooting
XM radio preset memory is lost	Symptom Troubleshooting
Poor or no sound with XM radio (Audio unit does display XM channels)	Symptom Troubleshooting
Poor or no sound with XM radio (Audio-navigation unit does display XM channels)	Symptom Troubleshooting
Voice guidance cannot be heard, is broken up, or there is static (without navigation)	Symptom Troubleshooting
Voice control does not work/respond (without navigation)	Symptom Troubleshooting
Audio cannot control HVAC by voice command	Symptom Troubleshooting	Climate control DTCs
Center display stays on the GPS initialization screen (without navigation)	See GPS Initialization	Aftermarket metallic window tint Hard Error Codes
System always comes up in in-line diagnostic mode (without navigation)	Factory diagnostic screen In Line Diag
Azimuth (direction) information is not shown on the display	See GPS Initialization	Hard Error Codes
Clock does not keep correct time	See GPS Initialization	Hard Error Codes
Bluetooth audio does not work	See HandsFreeLink System Symptom Troubleshooting Index