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Author Topic: AEMTuner Not Connecting to ECU in Vista  (Read 225 times)
eqtuning
EMS Poster Child
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Posts: 8
« on: October 24, 2009, 05:47:45 PM »
I've been using AEM Pro for a while with no issues but AEM Tuner will not connect to the ECU no matter what I try. I'm using an 1820 box on an 04 STI with a USB-Serial adapter. AEM Pro connects flawlessly but any time I try to get AEM Tuner to connect, it just hangs and becomes unresponsive.

Please advise as I greatly prefer the layout and usability in Tuner.

FYI, I'm running a Gateway laptop with Vista Home Premium Edition.

Thanks
-- Ed
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SB
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« Reply #1 on: October 26, 2009, 10:00:12 AM »
Go to ECU>>Connection preference and set it to Serial First.  Also, try opening the Device Manager and modifying the USB-serial COM port settings. There are two slider bars that can be adjusted for speed or reliability... adjust them a few steps closer to reliability and see if that helps.


AEMTuner is designed primarily to interface with Series 2 EMS units. Although it may still be capable of talking to a Series 1 EMS for basic functions, we recommend that you use AEMPro with Series 1 units.
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eqtuning
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Posts: 8
« Reply #2 on: October 29, 2009, 04:37:40 PM »
That's kind of disappointing. There shouldn't be any reason it couldn't communicate just as well as AEMPro.

Most of the ECU's out there currently are version 1 and AEMPro doesn't seem to get much support anymore.

Thanks
-- Ed
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AZ
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« Reply #3 on: October 30, 2009, 03:21:07 PM »
Hi Ed,
Could you please try the newest version: v0.99 beta, and let me know if you still have this problem. thanks.
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eqtuning
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« Reply #4 on: October 30, 2009, 05:22:51 PM »
There's no download link currently.

-- Ed
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AZ
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« Reply #5 on: October 30, 2009, 06:05:55 PM »
it's on now. Remember to set Baud rate to 38400 if you're using usb-serial adaptor with EMS1.
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eqtuning
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Posts: 8
« Reply #6 on: November 07, 2009, 03:18:52 PM »
Quote from: AZ on October 30, 2009, 06:05:55 PM
it's on now. Remember to set Baud rate to 38400 if you're using usb-serial adaptor with EMS1.

I got .99 and set the baud rate to 38400 like instructed and still no love. It just hangs whenever I try to connect to ECU.

Please help

-- Ed
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eqtuning
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Posts: 8
« Reply #7 on: November 10, 2009, 10:52:47 AM »
bump?
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specialed
Short Bus Driver
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« Reply #8 on: November 13, 2009, 03:53:09 PM »
As SB said, make sure that you set the priority on "Serial".

What type of error is it giving you? Can you post a screen shot?
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eqtuning
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Posts: 8
« Reply #9 on: November 19, 2009, 05:29:20 PM »
I don't get any error message, the program just hangs until I kill the process.

-- Ed
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AZ
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Posts: 153
« Reply #10 on: November 20, 2009, 04:27:12 PM »
Ed, sorry to hear that. I'm working on this issue and the next version of AEMTuner should fix this. However, there is a workaround:
1. Go to Device Manager
2. Change the port to COM1 for your usb-serial-adapter.
3. Disable all other COM ports except COM1.
This works on a Thinkpad with XP Pro.
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