Problems hooking to older Cummins ecms…

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by High Stepping, May 23, 2024.

  1. Inderjit

    Inderjit Medium Load Member

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    Sep 17, 2017
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    I have seen on several occasions where a pin in the diagnostic connector was not locked and all the way in place and when the adaptor was plugged in it would push the pin out of place and not connect.
    When the adaptor plug was removed the wire would push the pin back into the connector so it looked normal.
     
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  3. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    May 2, 2021
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    We didn't do any heavy eqpt or off road, so I only bought the truck software. I don"t use it much anymore, but did hook up to a buddys D16 Volvo to do a forced regen, and his N14 for a cylinder CO.

    Graphics were definitely better while watching regen temps.

    Cylindee CO was still a PITA. You still have to back out to select another cylinder. Just adds time.

    And, I lied. I said it communicated with everything i hooked to. I forgot ut wouldn't connect to my DDEC II. Had to break out the Pro Link for it
     
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  4. High Stepping

    High Stepping Light Load Member

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    Oct 29, 2020
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    What’s weird is it only happens to mid nineties or earlier Cummins. I hooked to a ninety-nine model using the 6 pin and had no issues.
     
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