DT466 7400 Engine shuts down during idle & won't restart

Discussion in 'International Forum' started by doc diesel, Oct 3, 2024.

  1. doc diesel

    doc diesel Bobtail Member

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    Jan 9, 2020
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    Engine shuts down during idle & won't restart
    SPN: 2023 source address
    FMI: 14
     
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  3. Inderjit

    Inderjit Medium Load Member

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    Sep 17, 2017
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    That looks like a body code how are you reading the codes?
     
    Heavyd Thanks this.
  4. doc diesel

    doc diesel Bobtail Member

    2
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    Jan 9, 2020
    0
    via launch HD
     
  5. Inderjit

    Inderjit Medium Load Member

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    Sep 17, 2017
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    It looks like SPN:2023 FMI:14 is a gauge cluster fault. Can you get the engine scanned?
     
  6. Tonyz

    Tonyz Bobtail Member

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    Oct 8, 2024
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    Won’t let me make a new post so I’m gonna say this here I’ve got a dt466 that would start but when I went to check the voltage on the ipr valve it arced off a ground and now there’s no ecm communication. Any help?
     
  7. Inderjit

    Inderjit Medium Load Member

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    Sep 17, 2017
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    There should be two fuses in the battery box. One has probably failed.
     
  8. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    You likely popped the 5 amp ignition fuse for the ECM. From now on, when making a post, we need to know the year of the truck. You might have a pre-egr DT466 or EGR-DT466 which are different engines and different wiring. The 5 amp ecm fuse is going to be in the main fuse panel, ether under the hood on the left side near the firewall, or in the cab infront of the passenger seat. Again, this depends on the year and why you need to include that information.
     
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