Audio System Symptom Troubleshooting Index
Symptom
Diagnostic procedure
Also Check for
Poor AM or FM radio reception or interference
Radio reception
Aftermarket FM modulator
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
 
No sound is heard from the speaker(s) (display is normal)
Fader and balance positions
Aftermarket amplifier or speakers
Audio system sound is weak or distorted (display is normal)
 
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)
Audio disc does not load
 
Damaged disc (scratches, fingerprints, marks, and distorted)
Track/File format not supported
Audio disc does not eject
 
Damaged disc (distorted)
Disc with a label
Audio disc does not play
Damaged disc (scratches, fingerprints, and marks)
Audio disc skips
Damaged disc (scratches, fingerprints, and marks)
Tire pressure (over-inflated), disc smudged, or scratched
Audio remote switch does not work properly (audio unit buttons work)
 
USB device does not function
USB device volume is too low
USB device compatibility (see the Owner's Manual)
USB input sound is low or cannot be heard
 
USB device volume is too low
USB device compatibility (see the Owner's Manual)
Rearview camera image does not come on or work properly
 
Rearview camera image does not change when selecting different views
 
Booming sound while driving with audio unit on or off
Powertrain vibration or judder