2007 Ultra shutting off for no reason

Discussion in 'Touring Models' started by ChiefD, Jun 25, 2009.

  1. ChiefD

    ChiefD New Member

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    I have an 07 Ultra that as of late has been just shutting off for no reason. I have a Stage III power commander, rhinehart trueduals and super sucker II air intake. No other mods. I took to HD and was told my power commander cable was the problem. I picked it up and six miles later I'm stranded on the side of the for a second time in two days. Has anyone out there had this issue and waht was the diagnosis. I did have some codes on it when it went in. P1353, P1354 and three others I can't remember.
     
  2. Bud White

    Bud White Well-Known Member Retired Moderators

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    52. P1354 Rear Ignition Coil Driver Open/Low
    66. P1353 Front Cylinder No Combustion


    check to make sure no water is in the pc III connectors .. HD doesnt use all the pin holes and for some reason PC didnt put rubber plugs in the cable connectors of unused holes like HD does ,.. Dielectric grease works here
     
  3. ChiefD

    ChiefD New Member

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    I apologize for not saying that I had cleaned off all of the fuses, circuit breakers, blew out the connectors and put dielectric grease on all. I even did the same to the connectors on the ECM and power commander. My biggest concern is that HD is have an issue with ECMs and aren't letting it out.
     
  4. glider

    glider Veteran Member

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    I suspect a problem with the PC more than the ECM. Have you tried running without it to see?
     
  5. Bud White

    Bud White Well-Known Member Retired Moderators

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    few pc's have taking out the HD ecm's
     
  6. glider

    glider Veteran Member

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    That's for sure. Heard of more than one going belly up because of the PC.
     
  7. Bud White

    Bud White Well-Known Member Retired Moderators

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    Don't see why they would though other than water contamination .. or maybe voltage spike .. but since it is a pass though item not sure why ya would get a spike
     
  8. 03classic

    03classic Junior Member

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    I had the same problem on my 03 classic,same exhaust but screamin eagle air cleaner and a pc III ,I fouhgt the problem for a long time.Turns out I had to bite the dust and put an HD super tuner on it and it runs great.Harley said the bike had to much free flow in the exhaust and the IAC motor could not keep up causing the bike to stall Had the bike custom tuned and picked up 10 horse power.The other problem is the pc III tricks the ECM the tuner actually changes the mapping.
     
  9. glider

    glider Veteran Member

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    I think the majority of the failures were from just that Bud, water infiltration either in the unit itself or the ECM plug connection. Has bee a few that took the ECM with them too.