Code spn521013 shows as permanent, dealer says it's fine.

Discussion in 'Freightliner Forum' started by neeco74, Nov 17, 2021.

  1. neeco74

    neeco74 Bobtail Member

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    Nov 17, 2021
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    truck shuts off randomly and goes (haywire)on/off 3 times per interval.. last instance: did 50mi run and shut down 15-20 times and haywire each time, as explained above. also, a titled code shows as "permanent" but, dealer says truck is "fine" and nothing wrong.. private mechanic stated he could not find out even if he wanted because code also states "contact manufacturer" and dealer will not divulge such information! anyone got any info/help would be greatly appreciated
     
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  3. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    Jun 14, 2009
    romulus,mi
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    Easy fix for that model/year/engine. Seen it over 100 times. All you have to do is.....................
     
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  4. Willis Inc.

    Willis Inc. Bobtail Member

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    Nov 2, 2020
    Harrisburg, PA
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    The guy wants to help you, just him the information.
    Willis
     
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  5. msh

    msh Light Load Member

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    Jul 18, 2021
    Los Angeles, CA
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    most likely he has
    spn521013 fmi 31 ))))
     
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  6. neeco74

    neeco74 Bobtail Member

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    Nov 17, 2021
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  7. neeco74

    neeco74 Bobtail Member

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    Nov 17, 2021
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    cascadia/'17/dd13
     
  8. neeco74

    neeco74 Bobtail Member

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    Nov 17, 2021
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    31??
     
  9. neeco74

    neeco74 Bobtail Member

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    Nov 17, 2021
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    i sensed sarcasm.. like get rid of it!!
     
  10. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,664
    1,563
    Jun 14, 2009
    romulus,mi
    0
    Check metal bracket above air compressor that has MCM harness zip tied to it. Cut zip ties and open up plastic loom and look for damaged wires. Can high/low wires seem to be the ones that get damaged most often.
     
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  11. msh

    msh Light Load Member

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    Jul 18, 2021
    Los Angeles, CA
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    troubleshooting...
     

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