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Pioneer AVH-X4700BS bluetooth calling issues

40K views 22 replies 8 participants last post by  robertsblakeney  
#1 ·
I have had this head unit installed in two different vehicles and paired to two different phones. It is in network mode to utilize the 3-way crossover and only pre-amp outputs are used.

My issue is, if I try and make a bluetooth phone call, I have zero audio. I cannot hear the person I am calling, but they can hear me. All other bluetooth features work great including stream audio from both phones I had paired to it. I have tried resetting the unit, deleting all paired devices and still cannot make a call over bluetooth.

One single time I was on a call, jumped in the truck and started it. When the call transferred to the head unit, I had a split second of audio and then nothing...had to use the phone itself again.

Any suggestions?
 
#2 ·
Be sure to turn up the volume on the unit. It's stumped me once before. Lol
Bluetooth phone volume is independent from the other sources.
 
#5 ·
Volume is turned up to the same level I listen on the highway, separate call volume on the HU is maxed out. Volume on the phone is maxed out. It's really a mystery to me. I'd blame it on my phone, but it happened with both a Note 3 and my new iPhone 6s and that was in two different vehicle with the same head unit. Baffling.
 
#12 ·
Just to add more info. To the thread of what works and doesn't.

I have the AVH-X3700BHS and the iPhone 5c. No issues with Bluetooth
 
#23 ·
I am posting my fix if you happen to stumble across this old thread. Unit is AVH-X4700BS. Car is 2007 Chrysler 300. My unit exhibits the "no sound during phone call" problem, even though the person I called can hear me. My fix is to reset the unit to the factory settings in the menu system (not the physical reset button) and when stepping through the new setup, select "standard" as the connection. This activates the microphone for phone calls. All works fine except I lose several of the nice audio setup features under "network".