Audio and Visual System Symptom Troubleshooting Index

Symptom	Diagnostic Procedure	Also Check for
OTA update failure	See OTA Error Codes	OTA Enabled/Disabled setting in the System Diagnostic Mode
Poor or no sound with AM/FM radio	SYMPTOM TROUBLESHOOTING	Software not up to date Check radio reception Aftermarket FM modulator Loose roof antenna mounting nut
AM/FM radio display is blank or no station information is displayed	Do the AM/FM/HD RADIO in the System Diagnostic Mode	Software not up to date Most Bus Diagnostics Mode - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes
XM radio display is blank and no station information is displayed		Error messages - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes Software not up to date
Error code: Check Antenna is displayed	SYMPTOM TROUBLESHOOTING	Error messages - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes Software not up to date
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 the 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
Center display unit will not turn on or has turned off during use (blank screen)	SYMPTOM TROUBLESHOOTING	Check the No. D32 fuse and the No. D36 fuse Software not up to date Most Bus Diagnostics Mode - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes
Center display unit will not turn off	Do the CAR STATUS in the System Diagnostic Mode to check the ENTRY STATE	Driver's door status
No sound is heard from all the speakers (display is normal)	See Most Bus Diagnostics Mode - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes	Software not up to date
Audio system sound is weak or distorted (display is normal)	SYMPTOM TROUBLESHOOTING	Audio zones, fader, and balance positions Aftermarket speakers
Auxiliary input sound is low or cannot be heard	SYMPTOM TROUBLESHOOTING	Auxiliary audio device volume is too low Auxiliary stereo cables compatibility Software not up to date
Touchpad unit does not work properly	SYMPTOM TROUBLESHOOTING	Check the Touchpad Sensitivity in the System Settings Touchpad error codes Software not up to date
Volume and seek switch does not work properly (touchpad unit buttons work)	SYMPTOM TROUBLESHOOTING	Touchpad error codes Software not up to date

Symptom	Diagnostic Procedure	Also Check for
The MID does not display the audio system information (without head up display)	See Most Bus Diagnostics Mode - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes	Software not up to date
The head up display does not display the audio system information	See Most Bus Diagnostics Mode - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes	Software not up to date
Audio remote-HFL switch does not work properly (touchpad unit buttons work)	SYMPTOM TROUBLESHOOTING	Most Bus Diagnostics Mode - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes HARD KEY in the System Diagnostic Mode
Infotainment control unit does not exit anti-theft mode	See Anti-Theft Feature
USB data communication port does not work	SYMPTOM TROUBLESHOOTING	Error messages - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes USB device compatibility (see the Owner's Information) Software not up to date
Charge-only USB port does not work	SYMPTOM TROUBLESHOOTING
Bluetooth audio does not work		Software not up to date Bluetooth phone compatibility
Rearview camera image does not come on (without Multi View Camera System)	SYMPTOM TROUBLESHOOTING
Rearview camera image does not change when selecting different views (without Multi View Camera System)	SYMPTOM TROUBLESHOOTING
Booming sound while driving with audio unit on or off	SYMPTOM TROUBLESHOOTING	Most Bus Diagnostics Mode - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes
No GPS reception or interference	SYMPTOM TROUBLESHOOTING	GPS icon status in the System Links GPS Information in the System Diagnostic Mode Software not up to date
HFL does not work properly	Do the HFT-MIC in the System Diagnostic Mode	Software not up to date Bluetooth phone compatibility Most Bus Diagnostics Mode - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes
Microphone does not recognize driver's or front passenger's voice	SYMPTOM TROUBLESHOOTING	With AcuraLink: Telematics system DTCs Software not up to date Most Bus Diagnostics Mode - Refer to: Audio and Visual System Most Bus Diagnostics Mode or Audio and Visual System Error Codes
System always comes up in-line diagnostic mode	See Factory Diagnostic Screen In Line Diag and Linking	Forced Completing of In Line Diag and Linking