ISX CM870 randomly shuts down

Discussion in 'International Forum' started by Haulin_regional, Sep 30, 2015.

  1. Haulin_regional

    Haulin_regional Bobtail Member

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    Sep 22, 2015
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    Well here's an update on everything. It finally went to Cummins for a check up. After many hours of checking everything over, they determined that all electrical was good. They ran a new ECM power wire from the battery box but it kept losing power. So a test dummy ECM has been put in by them. I was told to run it for 2 weeks. If no hiccups occur, A new ECM will be installed. I'm glad Ryder is stepping up to the plate on this one. They acknowledged the problem was there before I purchased the truck and will pay the repairs. I did my run today with no problems at all today. I'm keeping my fingers crossed that it is the ECM and that this matter will be closed once and for all.

    I'll keep you all updated on the final results. Talk to y'all in a few weeks.

    Thanks by the way for all advice given.
     
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  3. mountaingote

    mountaingote Road Train Member

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    I had a similar issue with a Detroit years ago. Took it to Detroit shop in Davenport IA, they cleared all the codes, and so when it happened again it said the ECM was bad. New ECM and I went on my merry way
     
  4. Haulin_regional

    Haulin_regional Bobtail Member

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    I'm on day 2 of a "rental" ECM and no issues so far. We'll see as the days go on. I added up all the days paper work when it was acting up and I lost a ton of paid mileage. I caught on a little too late, but at least it didn't go on for many days on end.
     
  5. Haulin_regional

    Haulin_regional Bobtail Member

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    Update!

    The test period with the test dummy ECM is over. Not a single glitch with the tester. Without a doubt, the ECM that was in the truck before I purchased it was at fault. What a headache for everybody involved, myself included. A big thanks to Ryder trucks sales for stepping up to the plate and acknowledging the problem was pre existing and for covering the entire cost even though ECM's are not covered in the 30 day warranty.

    The real silver lining out of all this is the work was performed by a Cummins shop. I added all the mileage up on the tester and ended with a total to be programmed into the new ECM. I gave the total to the tech at Cummins. They did the installation but were unable to program the mileage in. He stated that the mileage in the CM870 engine ECM could not be registered for that model because of its age(LOL) and that I would have to start from 0.

    I went along with it for a day. After endless calculations between stops, talking with management about the whole (odometer) issue it became a virtual migraine keeping track of it all. I contacted the service Mgr at Cummins and said something must be done, I'll get back to you…is what I got. Yesterday evening, my truck was brought in at a Kenworth dealer for a grease and lube. They asked the mileage and I explained everything. The (apprentice) tech said he could work the mileage in the ECM. I said good luck, Cummins up the road couldn't do it.

    To my surprise, it was done along with the grease this morning. Odometer was up to par with the numbers given. Took him 5 minutes apparently. I got a call this Afternoon from the Cummins service Mgr. He asked that I drop the truck off to figure out how to input mileage. I said don't bother, the shop down the road did it in 5 min. The silence that followed for a few seconds from him was that of being owned and totally schooled by a non cummins shop.

    Moral of the story is, it cost me $60 in change to learn that the very people trained by the manufacturer to service and repair their own products, are not always the most competent ones to perform a very simple task. And it changed my outlook on apprentices from thinking that they wreck stuff at others expense to actually taking pride in doing a good job.
     
    Heavyd Thanks this.
  6. Heavyd

    Heavyd Road Train Member

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    Cummins ECMs have a parameter for entering in pre-accumilited mileage. It is called "Engine distance offset". Pretty easy actually. Glad this nightmare is over for you!!!
     
    bubbanbrenda Thanks this.
  7. bubbanbrenda

    bubbanbrenda Road Train Member

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    @Haulin_regional Glad you got it resolved, several people here (myself included) have preached for years that just because it says Cat or Cummins or Detroit on their shirt and/or building doesn't make them an expert at anything but emptying your wallet.
     
  8. northcoast

    northcoast Bobtail Member

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    Apr 4, 2015
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    Did that turn out to be the fix ? 2005 9900 ,565isx experiencing identical symptoms only never at idle. One thing I noticed is when the odometer backs up at each fit, it rolls back to the miles where the warn engine light was last off.
     
  9. TwoTruckers69

    TwoTruckers69 Bobtail Member

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    Jun 6, 2018
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    We are having same problems. Truck cutting out. Odometer rolling back etc. changed and checked all wires on battery that feed computer Engine warming light still on. Thinking it may be ecm. Not sure what to do next. Anyone help?
     
  10. Mraj22

    Mraj22 Bobtail Member

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    Going through this right now. All started after a wash, now once in a blue moon. it will just stall and throws a fault code of J1939 that is a ECM code, first time it ever happened started after 2 hours happened few times after that now it all depends it could start in 5 mins or 2 mins. sometime it shuts off and turns back on by itself then I get a code for Fuel Rail Pressure. The fuel filter in glass on driver side was full my first step was to change that out now I will be driving for few days and see if that changes anything it's a nightmare will the ELDS odometer rolling back
     
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