Freightliner Cascadia dd15 eng2 001SPN003464 throttel CMD. 32

Discussion in 'Freightliner Forum' started by OldiM, Jul 12, 2020.

  1. OldiM

    OldiM Bobtail Member

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    Jul 12, 2020
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    Hello everyone, this morning I got this light up on my dash, eng2 001SPN003464 throttel CMD. 31
    Anyone has any idea as to what refers to?
     

    Attached Files:

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  3. Roger.B1240

    Roger.B1240 Bobtail Member

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    Jun 29, 2020
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    The ECM is logging a fault. THROTTLE malfuction is minor....a cmd fault. Its being stored for the tech back at the shop. Do not try to clear it. Keep Running unless the truck becomes unsafe to drive. The Freightliner shop can clear all the faults when doing a routine pm and advise you what happened.

    You should log date and time the fault happened so you can reference to it if it continues...It may even clear itself by restarting the engine.
     
    Last edited: Jul 12, 2020
    OldiM Thanks this.
  4. OldiM

    OldiM Bobtail Member

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    Thank you man! Great to know... also Its been a few days when I tried to increase the speed rpm seems to not work, speedometer moves but the truck speed does not... would that have anything to do with what we mention above?
     
  5. Roger.B1240

    Roger.B1240 Bobtail Member

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    Jun 29, 2020
    Dallas Tx
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    Looks like the problem is a sensor or even in the program itself. Do you have a Dealer inroute...should you lose power?
     
  6. OldiM

    OldiM Bobtail Member

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    Jul 12, 2020
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    Yeah I’m looking for one on the way most are close because its Sunday, if any parts needed. But i will for sure check one tomorrow.
     
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  7. OldiM

    OldiM Bobtail Member

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    Seems like it looses power and than it speed
     
  8. RocketyMan

    RocketyMan Medium Load Member

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    Jun 5, 2015
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    Lets actually see what PSL has to say about this fault code and not some haphazard guess.

    From your picture, it looks like you have an ICU4M, and it is stating the ENG[ine] 2 (aka, MCM), SPN 3464 FMI 31. (I'm guessing you have an EPA 10 DD15 since you did not specify vintage of DD15...)


    352.4  SPN 3464/FMI 31 - EPA10 - GHG14
    Intake air throttle control electrical fault

    SPN 3464/FMI 31
    Description Intake Air Throttle Control Electrical Fault
    Monitored Parameter Intake Throttle Valve
    Typical Enabling Conditions Key On & Engine Off
    Monitor Sequence None
    Execution Frequency Continuous when enabling conditions met
    Typical Duration 2 Seconds
    Dash Lamps MIL, CEL
    Engine Reaction Derate 10%
    Verification Engine OFF, then 1 minute idle

    Looks like pin 4 and pin 5 of the Intake Throttle Valve harness needs to be checked. Check pin 5 to ground and pin 4 to pin 100 of the MCM 120 pin connector. Post your results.
     
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  9. RocketyMan

    RocketyMan Medium Load Member

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  10. OldiM

    OldiM Bobtail Member

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    Thank you man!
     
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