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Scanner can't connect to Ecm

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Old Oct 29, 2019 | 12:01 AM
  #1  
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homertwo
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Scanner can't connect to Ecm

Hello
I took my 2000 F550 with a 7.3 to a shop today. I wanted him to check on my pressures.
When I went in to talk to him later, he said that his Snap On scanner can't connect to get into the ecm to check the pressures.
I have Forscan on my laptop and I can get in and do some tests and other things so I don't understand why his scanner can't get in. He said he could get in to the Gem and the Abs.
Any thoughts or reasons you may have from experience?
Thanks
 
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Old Oct 29, 2019 | 02:38 PM
  #2  
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Have you tried Forescan AFTER he tried? Could be as simple as the fuse.
 
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Old Oct 29, 2019 | 10:37 PM
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kbeefy
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If he can get to the GEM and ABS then the DTC port should have power.
I know some superduties don't like my snapon verus pro scantool. Sometimes retrying works, sometimes I have to grab a different scanner.
 
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Old Oct 29, 2019 | 11:16 PM
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I can get in with Forscan. He can't get in with his Snapon. He has tried on more than one day. What fuse are you talking about?
Thanks
 
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Old Oct 29, 2019 | 11:27 PM
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I believe it's the fuse for the cigarette lighter, but it's probably good as I stated above.
 
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