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Old 01-15-2015, 11:00 AM   #1
zeitgeist
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2014 WRX hatch
DGM

Default Issues paring transplanted Clarion CM631UD in WRX

Hello -

I recently installed the CM631UD in my '14 WRX (disconnecting the two CAN Bus wires).

SWC's work. AUX works. All that's fine, but it absolutely will not pair with my Moto X phone running Android 4.4.4. I happen to have an older Android phone running 4.1.2, so I figured I'd give it a try. It paired without an issue.

A friend of mine has a phone running 4.4.2 (some release whose name I forget) and his fails as well.

In the case of the failures, the phone sees the 'CARMEDIA' resource, but when I click on it to enter the PIN, the radio display immediately says 'FAILED'. The phone then posts a message that the connection was refused.

I've tried both audio pairing and phone pairing and neither works.

The radio was used and I removed the two previous phone entries, so it's a clean slate, BT-wise

I'm just wondering if anyone out here has had success pairing a 4.4.2 or 4.4.4 Android phone to the CM631UD HU. If so, any information you could provide would be much appreciated. I'd hate to pull this HU and re-sell it, as the interface is so much better than what we get with the WRX stock unit.

I know this HU was manufactured in Jan 2013. Is there a way to check the firmware version via a hidden menu? I'm trying to figure out if there's some special combination that will make this damn thing work.

I read this link

https://code.google.com/p/android/is...etail?id=71852

and, around post 15, a fellow chimes in regarding the apparent decision to remove support for AT commands in Android 4.2 and upwards. This is beyond my knowledge, but, if the HU is sending AT commands for paring, one would think this would break for most 4.2+ phones and that just doesn't seem possible.

I would appreciate any thoughts or hints.

Brett
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Old 01-15-2015, 05:11 PM   #2
Rymar
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The firmware version(s) are available through the same hidden menu system as for loudness and eq: with "Audio Off" displayed, hold down the 6 key, and spin the tuning knob.

The first hidden menu shows the firmware version; there are 3 screens total.
My CM631UD shows this version info:

Screen 1:
JBOOT 3024-00-v001
EmDSP 2799-02-v401
EmArm 3026-00-v001
DSP 2801-16-v417
ARM 3028-02-v010

Screen 2:
Audio 3020-02-v009
E2P 0322-01-v002
IPod-IC 0200
BDAD 00:07:04:CE:66:64
BT FW C320/C320

Screen 3:
HF FW 02350101
BT FROM C320
HD IDM 1.20.20_CLA-HDR-C-0.1.19
Domain USA

I'm guessing that one of the versions which contains "BT" is the version you are looking for.

This probably won't help, unless there is a firmware update available. I know that there is a built in tool to allow firmware updates from the USB slot.
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Old 01-16-2015, 12:35 PM   #3
sc00ter
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OP, let me know what you figure out with this. I am about to pull the trigger on one of these head units. However, if I'm not going to be able to pair it with my Nexus 6 via Bluetooth, I'm not going to bother.
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Old 01-16-2015, 10:39 PM   #4
zeitgeist
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Scooter - will do. If everyone with a phone running some flavor of 4.4.4 Android is flat-out unable to pair with this HU, I think we'd see more of a ruckus.

That's really why I posted this message. I'm trying to figure out if other flavors of 4.4.4 are connecting without issue. I'd also like to find out if, perhaps, different manufacture dates for the radio resulted in different firmware, some of which allow the pairing and others which do not.
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Old 01-17-2015, 06:56 AM   #5
Guzzi 1
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Are you using the SWC's or the HU to pair? For whatever reason, you need to use the SWC's.

If that is what you have tried, then I got nuthin'.

John
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Old 01-17-2015, 08:03 AM   #6
zeitgeist
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Guzzi -

The voice command -vs- SWC suggestion solves the problem of the phone not staying paired. My issue is that it won't even initially pair.

Thanks, though.

BC
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Old 01-18-2015, 02:53 PM   #7
Rymar
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OK, I tried a friend's Samsung Galaxy Note 3, running Android 4.4.4, and Bluetooth pairing to my CM631UD works with no problems, both for audio streaming, and phone use.

It sounds like the problem may be with the Moto X, and the Android 4.4.x upgrade, and that Android 4.4.x on other devices doesn't have an inherent problem.
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Old 01-18-2015, 11:14 PM   #8
zeitgeist
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DGM

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Rymar - Thanks for that information. Later this week, I'll be seeing a friend who has a Note. I'll see if I can get it to pair. So many combinations. So little time.
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Old 09-23-2022, 01:12 PM   #9
MVB613
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Default Bluetooth Issues

Hi there. I have a 2014 impreza hatchback and I got it certified preowned in 2017.I have been having problems with the radio particularly the Bluetooth. It will cut in and out or unpair with my phone randomly. I have gotten this radio replaced 3 times already. Is there any way to remedy this or update it? Thanks! I am at a loss.
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Old 09-24-2022, 12:58 PM   #10
Elbert Bass
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Quote:
Originally Posted by MVB613 View Post
Hi there. I have a 2014 impreza hatchback and I got it certified preowned in 2017.I have been having problems with the radio particularly the Bluetooth. It will cut in and out or unpair with my phone randomly. I have gotten this radio replaced 3 times already. Is there any way to remedy this or update it? Thanks! I am at a loss.
Have you had the software version checked - updated? There were a fewer updates for Clarions - not as many as Harmans. If you have a newer phone you really can't expect it to work seamlessly with a 8 year old radio design.

My best advise after spending 9 years at Subaru beating my head against BT & infotainment issues that were never fully resolved - use a USB or AUX cord and be thankful it works part of the time.
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