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iPhone 4 / iOS 4.1 Bluetooth with Mazda CX-9

I've got a 2010 Mazda CX-9 (it has the screen but not the Navigation) that I paired with an iPhone 4 (4.0.1) and everytime I turned on the car and it was on Bluetooth-Audio it would automatically start to play. I could also pause and resume by hitting the Pause/Play button on the stereo and I could also adjust the volume.

I just upgraded to iOS 4.1 and I've lost all functionality from the car stereo side. The car says its "Searching" like it normally did for a moment when I turn it on and then says Bluetooth-Audio, however it no longer auto-plays. I've also lost the ability to pause, resume or adjust the volume. I've deleted the device on my iPhone as well as in the car, powered off the car and held the Home & Power buttons on the iPhone until it reset itself. Then I re-paired the two and there was no improvement. I then tried that a second time just to be safe and no improvement.

I'd simply just like to get back to the iOS 4.0 functionality.

The car's owners manual specifically states that my head unit supports A2DP 1.0 and AVRCP 1.0 or 1.3. It says for A2DP only mode that I would get audio playing with absolutely no control via my stereo (what I'm seeing with iOS 4.1). With AVRCP 1.0 the stereo supports Play/Pause/Track up/Track down, which is what I assume I was seeing with iOS 4.0 but only Play/Pause. For AVRCP 1.3 it also adds Reverse/FF/Metadata Display. Unfortunately Apple didn't specify which version of AVRCP iOS 4.1 came with but I can only assume they implemented AVRCP 1.0

If anyone has any suggestions of what else I can try, I'm all ears. Thanks.

MacBook Pro 5,1, Mac OS X (10.6.4), iPhone 4 / iOS 4.1

Posted on Sep 10, 2010 8:38 PM

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41 replies

Sep 12, 2010 12:25 PM in response to Cardoe

I have a 2010 Mazda 6 with the bose audio system and have had the exact same problem.
Apple support offered no help at all and sugested it was my cars fault (even though it worked with 4.0x)

both my car and iphone 4 have full extended warrinty so i intend to push this issue with both companies.
I have booked my car in today and logged it as a warrianty issue with Mazda as thats what Apple said was the problem.
I will let you know if Mazda can fix it, but im not holding my breath there. I think the issue will be with the iOS4.1

Mike

Sep 13, 2010 4:00 PM in response to Cardoe

Mazda informed me that there is nothing they can do as the stereo is not firmware upgradable and they dont think there is anything wrong with it anyway.
I have since updated my 3GS to 4.1 and it has the same issue so i have logged a support call with Apple on that phone as well.
They say that a tech is looking into it and will call me back within a week about this issue.
If anyone else is having issues with 4.1 can they please log an issue on the apple website feedback. the more that they get there the quicker they will respond to the issues with 4.1

Sep 15, 2010 9:19 AM in response to Cardoe

Just an FYI, I have an iPhone 4 and pair the same way with my 2010 CX-7 (no navigation). I had been waiting for 4.1 in hopes of getting full bluetooth control. I can report that after updating to iOS 4.1, I can now use the steering wheel controls for skip and back and the "file" dial also controls the skip and back features of the iPhone music player. Additionally, I have not noticed, yet, any interruption in bluetooth playback when leaving a wifi zone as I had previously. --Jason

Sep 15, 2010 11:40 AM in response to Cardoe

I also had bluetooth issues after upgrading my 3G to iOS 4.1. I did a "reset all settings" as recommended in another post, and this allowed me to re-pair my bluetooth headset, and gain some new features under 4.1.

Menu progression - "settings > general > reset > reset all settings"

You won't lose any real data, but will lose your weather locations, stock symbols, etc. in some of the apps.

ccp

Sep 16, 2010 10:29 AM in response to Cardoe

My 2010 Mazda6 with Bose used to support play/pause before 4.1. I updated expecting to get other controls but now nothing works. BT Audio still streams but AVCRP is dead. I checked this on other Mazda6's and CX-9's at my local dealer and sure enough the problem is persistent. Definitely seems to be an incompatibility brough on by OS4.1.

Sep 16, 2010 10:57 AM in response to ocramida

Same here - I have a 2010 Mazda 6 with the Tech Package (bose stereo with 4 inch screen no Navi) I had a ipod touch 2G that would work with the play/pause button on the car stereo (running ios 4.0). I just got the new ipod touch 4g (running ios 4.1) and NONE of the buttons work now 😟 yet my old ipod touch 2g still works. I am very dissapointed as this was a feature i was excited about!

Sep 19, 2010 2:10 PM in response to Cardoe

I'm glad to see I'm not the only one, but sad to see that there's apparently no solution for my iPhone/Mazda6 combination. Held off upgrading until yesterday with 4.1. Before that, with iOS 3.x, if the car was set at Bluetooth upon starting (or when switching to it after starting), the iPhone audio would start playing where it had previously left off, and the play/pause button in the car worked nicely. It would also automatically maximize the volume output of the iPhone so I didn't have to overcrank the car's volume.

Today - the first day in the car with iOS 4.1 - nada upon startup. I had my wife call me from her phone to check that, and it seemed to work, but I had to manually crank up the volume on the iPhone (and still had to turn the Mazda's volume to about 30 as opposed to the previous 15-20 to hear the audio).

I also have to manually hit the play button on the iPhone to start the audio. Annoying.

The play/pause button on the car no longer works, so now I have to take my eyes off the road to hit play/pause if my wife wants to talk to me while listening to a podcast. (I live with podcasts, and the old way the iPhone Bluetooth audio worked was one of the best things about the Mazda when I got it almost a year ago.)

I want the automatic volume adjustment, automatic play, and the car's play/pause button functionality back.

Sep 19, 2010 6:28 PM in response to Frank Patrick

I'm having a similar issue with my wife's 2011 Subaru Outback 3.6R Limited.

The satellite nav system pairs with the iPhone's bluetooth for hands-free calling (as well as stereo playbvack). She was previously running iOS 3.1.3 on her iPhone 3GS. But, ever since upgrading to 4.1, the bluetooth pairing for hands-free calling no longer works. The system connects and disconnects every minute or two, as reported by the car's nav system display. We tried deleting the phone from the system and re-pairing it, but the problem remains the same. We haven't tested the bluetooth stereo playback.

Any advice?

Sep 20, 2010 10:42 AM in response to Frank Patrick

Noticed another issue this morning with the Bluetooth audio that broke with iOS 4.1. Running my podcasts manually from the phone, through the car's audio (with the issues previously mentioned), when a call comes in or when I initiate a hands-free call, the music/podcast playback no longer automatically pauses like it did with iOS 3. Pain in the a...

iPhone 4 / iOS 4.1 Bluetooth with Mazda CX-9

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