#1235375 - 10/31/07 05:28 AM
Help! New pioneer receiver + CD-i200 adapter usually gives "error-A0"
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timriley
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Registered: 10/31/07
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I just received my Pioneer DEH-7900BT receiver, installed it, and am having the EXACT same problem that several other users are reported to be having using their iPhones or iPods with a connected Pioneer CD-I200 ipod adapter! The very first time I connected the iPhone to the receiver, it worked great - I was able to scroll through the playlists and songs, etc. However, like others, 9times out of 10 after that I get the dreaded "error-A0" message on the Pioneer display and I can't see my playlists (although the music will automatically resume playing and I can skip to the next/previous tracks with the receiver but am unable to see any details of those tracks). The iphone/ipod on initial connection will ask me whether I want to switch to the airplane mode (to which I say no). Then the music will play immediately, and then the Pioneer receiver will showed the message "error a0" with no playlist and the iPhone/iPod will indicate that it is not charging. I could still change the song by using the navigation button (i.e. by clicking the wheel left or right side) though. I've tried a multitude of patterns of trying to get it to work - engine on/off, iPhone on/off, resetting the iPhone, resetting the Pioneer receiver, switching sources, and trying different timing sequences between each of these - there seems to be no pattern! - suddenly, every 9th or 10th try, one of these sequences of resetting will suddenly work and I'll have full menu display functionality on the receiver that remains functional for the duration that my iPhone is connected (even if I switch sources ie. to Tuner and switch back to the iPhone). Just like swkim in this other forum , an easy way to tell if the receiver is going to have the 'error-A0' problem is when the battery indicator on the iPhone stays the same and does not change to the 'charge' status (indicating that it isn't charging). On the rare occasion when there is no 'error-A0' and the pioneer receiver displays the playlist correctly, the battery indicator on the iPhone changes to the 'charging' status, so the whole functionality must be linked somehow - it almost seems to be acting similarly to my PC in that when there is a software or USB error and the iPhone is not recognized, it won't charge either... I wager the problem might be an issue with the iPod driver in the Pioneer receiver?
Any help/tips would be appreciated!! I can't imagine it's a damaged receiver given that others are having this problem.... one person in an Apple thread mentioned that the 'error-A0' resolved after they replaced their receiver with a new one, but I wonder if that was a different cause... If I were to wager a guess, it almost seems like there is a problem with the way Pioneer detects a previous iPod session and is trying to resume playing (which it DOES successfully, even when it ends up with the 'error-A0') but can't seem to read the playlist during that time... perhaps a software issue that needs a driver fix?
I havn't tried the receiver with my regular Video iPod yet - I'll see if the same 'error-A0' issue comes up for that in my case like it has for others. This problem was verified using my iPhone..
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#1235410 - 10/31/07 06:46 AM
Re: Help! New pioneer receiver + CD-i200 adapter usually gives "error-A0"
[Re: timriley]
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timriley
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Registered: 10/31/07
Posts: 3
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[Edit: sorry to get your hopes up - the below WAS reproducible... but I left the car for about 4 hours, came back, started the ignition, and the below workaround no longer works. I can't for the life of me get the Error-A0 message to go away no matter how I plug/restart the receiver/iPhone  I'll give it a few more days but I think the receiver is going back to the store... may have to wait until the new year when Pioneer releases receivers that are truly compatible with the newer iPods/iPhones...]
Quick followup: I just spent an hour outside fiddling around with the iPhone/Pioneer and I think I may have found a temporary workaround... if anyone else is running into this issue, let me know if this works for you!:
With the car ignition on, and no iPhone attached to the CDi200 cord, for this first time only (to get out of the 'Error-A0' rut) reset the Pioneer reciever (on mine it involves pushing that small indentation with a pen on the front of the receiver). Hard-Poweroff your iPhone (holding the top button until the red slider comes up to power off the iphone and go ahead and turn the iphone off). The receiver should be on in its reset mode (ie. demo mode or whatever). Now, plug in the CDi200 cord into the powered-off iPhone. It should activate the iPhone. Don't press any buttons - just let it power up by itself. In 100% of the cases i've tried this way, the Pioneer Receiver will switch to the iPod state and stay in the Ready functional mode until the iphone fully boots up, and then it will start to play, charge and work normally without the dreaded error-A0!
Now - the trick to getting this to work each subsequent time without having to reset the receiver each time (because if we have to reset the receiver each time it would be pointless - our tuner settings are gone, possibly BTooth settings gone if your receiver has that option, etc):
When you're ready to stop the car or turn off the ignition, do so. Feel free to detach the faceplate, etc if necessary. the Iphone in the cases I tried were still attached to the CD-i200 cord as I turned off the machine. After the receiver powered off, I unhooked the CD-i200 cord from the iPhone. When I was ready to start it up again, I first turned on the ignition, hooked on the receiver faceplate, and allowed it to boot up (no need to 'reset' the receiver). The trick is though that I made sure the iPhone is now hard-powered off again before attaching it to the CD-i200 cord. Now, attach the powered-off iPhone to the cord. it will cause it to turn on and boot up again... but now (in 100% of the times I've tried so far), the receiver will now see it in its Ready state and will work!
Anyways, if this works for others having this problem, it would suggest that the problem may be with how an iPhone left powered-on tells the receiver where to resume playing a song in combination with the receiver possibly trying to read from the resume spot as well... The upside of this workaround is that it doesn't require a reset of the receiver each time (thankfully) and, while connected in a working state (ie. non error-A0 state), it also survives Source changes so one is free to change to the TUner mode, etc, and back to the ipod source. The downside though is that one has to hard-power off the iPhone each time before connecting it to the receiver (annoying but not a biggy for me as long as this works), and instead of resuming from the spot in the song last played, it starts from track1 since the iPhone was reset (also not a big deal for me). The other downside I found is that, if the order sequence of the above workaround is changed and I end up with an 'error-A0' message, then I have to go back and reset the receiver (annoying since I'd lose my Tuner settings, ?possibly my Equalizer settings, and ?possibly my BTooth device settings on my DEH-7900BT)...
Edited by timriley (10/31/07 11:13 AM)
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#1237397 - 11/02/07 11:37 AM
Re: Help! New pioneer receiver + CD-i200 adapter usually gives "error-A0"
[Re: timriley]
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timriley
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Registered: 10/31/07
Posts: 3
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Well, just got off the phone with Pioneer support (just on a whim). The fellow on the line was adamant that the issue is an iPhone/new-iPod issue and that i would have to wait for a 'driver' update by Apple. He suggested trying a new 'CD-i200' ipod adapter, but that was about it. Pioneer, according to him, has no plans on trying to do a driver/firmware fix as they feel it is a problem on the 'Apple' side, but stated that he was aware that people were having issues with getting the iPhone, itouch, or classic Ipods to work on them. *sigh*... the Btooth works so wonderfully too. Will mull it over the weekend but I think this Pioneer receiver is going back to the shop and I'll have to look for something that's guaranteed to work (ie. the newer Alpines, Kenwoods).
If anyone is attempting to use the Pioneer receivers with an iPhone, iTouch or the new 'Classic' iPods, I highly suggest NOT getting either the Pioneer DEH-5900IB or the Pioneer DEH-7900BT as Pioneer has no plans on fixing either receiver to make them compatible.
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#1651061 - 05/22/09 01:44 AM
Re: Help! New pioneer receiver + CD-i200 adapter usually gives "error-A0"
[Re: timriley]
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Ole Martin
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Registered: 05/22/09
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I have the same issue with my player. I have the Pioneer Avic x3 and the CDI200 and I'm also botherd with the A0 error. Pioneer blames the firmware update 1.0.3 for Ipod Classic 80GB. And claims that the firmware version they released mess up the connection between the Ipod and Pioneer player.
So far I tried to install firmware 1.0.1, 1.0.2, 1.1, 1.1.1 and 1.1.2 and still nothing works. I have tried a new cable, reset the Ipod, formating the Ipod for pc to mac filesystem, checked all the power cables on the player and checked that it gets enough power. Everything is in order and workes fine except the remot controling of the Ipod from the touch screen on the Pioneer player.
I have talked with pioneer and they will never release a softwarefix for this problem. Insted they made a new model!! So if you where stuppid enough to buy the avic x3 when it came, the only way to get this to work is to pay 2200 for the new version (avic x3-2).
I must say that this is wery dissapionting and I wont ever buy a Pioneer produkt. Most of the help I have gotten is from googeling the problem. After a lot of phones i got a mail adress to a guy in Pioneer but he just told me to buy the new version.
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