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Author Topic: Failed to open OBD-II connection! Error 104: Error detecting OBD-II protocol.  (Read 5154 times)
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JBuffum21
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« on: April 17, 2011, 11:13:27 am »

I just installed Scan XL and am having trouble connecting to any of my vehicles (2009 silverado and 2006 Equinox).   When I connect i get this on the screen:

[12:36:58.648] Opening OBD-II Connection...
[12:36:58.648] Found SAE-J2534-1 device: Kvaser - J2534 for Kvaser Hardware
[12:36:58.648] Connecting using J2534 device: J2534 for Kvaser Hardware
[12:36:58.648] SAE-J2534 Device Firmare Version: xx.yy
[12:36:58.648] SAE-J2534 Device DLL Version: 7.04.7841
[12:36:58.648] SAE-J2534 Device API Version: 04.04
[12:37:07.028] Failed to open OBD-II connection! Error 104: Error detecting OBD-II protocol.



I am using a Kvaser Leaf Light HS and I'm fairly certain to is working correctly.  My guess is there is a setting of some sort that i need to change.   I also have a Level 9 Debug file.   Any help would be much appreciated!

Thanks
Jamie

* Debug Level 9.tr (155.19 KB - downloaded 173 times.)
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Weston@PPE
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« Reply #1 on: April 18, 2011, 11:44:34 am »

It looks like its communicating with your hardware just fine, but the vehicle doesn't respond. Do you have the key on?
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JBuffum21
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« Reply #2 on: April 18, 2011, 02:13:42 pm »

Yes the key was on.  I believe the problem may be the cable between my interface and my truck connector.  My silverado has pins 1,4,5,6,14,16 populated.  My Cabled has 2,4,5,6,7,10,12,13,16.  I am missing pin 14 which is Can Lo so i ordered a new cable and hopfully that will be the fix.   I have seen a lot of other people post the same error on your forums so maybe this is something you would like to forward to anyone who encounters Error 104.

Jamie
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Weston@PPE
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« Reply #3 on: April 18, 2011, 03:53:02 pm »

Let us know how it goes with the new cable.
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