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Thread: P0750 LR Solenoid Circuit

  1. Top Of Page | #1
    DD10's Avatar

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    P0750 LR Solenoid Circuit

    I have 2013 with 67000 miles just was driving, heard a thunk, and went to 4th gear couldn’t change it on the manual selectors.

    The truck was tuned but only for a short time, and I had it taken off for about 8 months due to an emissions recall still destined; however, it never went.

    I’ve 50 added hp.

    Used the module to run the code and read the p0750 LR solenoid circuit.

    I let the truck sit a bit after reading it might be in limp mode.

    The truck ran fine to get me back home about 30 miles but still has a check engine light.

    Can anyone shed any light on my situation?

    Problem? Cause? Possible price to fix?

    Am I in trouble for future problems?

    It’s Sunday, and dealer service is closed, and reputable tranny shops are closed.

    Thanks though.

    I’d ask for input while I continue to look online.


  2. Top Of Page | #2
    DD10's Avatar

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    Re: P0750 LR Solenoid Circuit

    Should’ve proof read better it’s still detuned and I never went over 50 hp.


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  4. Top Of Page | #3

    Re: P0750 LR Solenoid Circuit

    This just happened to me last night.

    What ended up working?

    Just replacing the solenoid?


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  5. Top Of Page | #4
    Hotram9212's Avatar

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    Re: P0750 LR Solenoid Circuit

    Any update to this thread?

    The same thing just happened to me.

    Sent from my SM-G998U using Tapatalk


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  7. Top Of Page | #5

    Re: P0750 LR Solenoid Circuit

    Quote Originally Posted by Hotram9212 View Post
    Any update to this thread?

    The same thing just happened to me.

    Sent from my SM-G998U using Tapatalk
    I got a new trans and fixed it.

    I had other issues, more than likely, and it is just the solenoid.

    YouTube search it.

    GL!


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  9. Top Of Page | #6
    I WILL STAND! AK Bob's Avatar

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    Re: P0750 LR Solenoid Circuit

    Quote Originally Posted by Hotram9212 View Post
    Any update to this thread, same thing just happened to me.

    Sent from my SM-G998U using Tapatalk
    This attachment should also help you troubleshoot.

    P0750LR.pdf


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit and 50 Gallon auxiliary fuel tank.

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    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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  11. Top Of Page | #7
    Permanent Vacation Chrisn162001's Avatar

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    Re: P0750 LR Solenoid Circuit

    Quote Originally Posted by Hotram9212 View Post
    Any update to this thread, same thing just happened to me.

    Sent from my SM-G998U using Tapatalk
    It’s almost always the solenoid pack.


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  13. Top Of Page | #8

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    Re: P0750 LR Solenoid Circuit

    Man, sorry to hear that.

    Hoping someone more expert can shed some light.

    I had the 0770 code on mine, which put it in limp mode.

    It was recommended I replace the TIPM as it was more than likely an electrical issue.

    That didn’t fix it, so I took the truck in, and I’m looking at a transmission rebuild at this point.

    Hopefully, yours is not in the same boat.


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  15. Top Of Page | #9
    Permanent Vacation Chrisn162001's Avatar

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    Re: P0750 LR Solenoid Circuit

    Quote Originally Posted by GreyBolt View Post
    Man, sorry to hear that.

    Hoping someone more expert can shed some light.

    I had the 0770 code on mine, which put it in limp mode.

    It was recommended I replace the TIPM as it was more than likely an electrical issue.

    That didn’t fix it, so I took the truck in, and I’m looking at a transmission rebuild at this point.

    Hopefully, yours is not in the same boat.
    770 code is 4c solenoid circuit fault. Usually solenoid wiring or tcm what year is yours


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  17. Top Of Page | #10

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    Re: P0750 LR Solenoid Circuit

    It’s a 2012. Would you think it’d be a transmission problem then or should I keep looking for electrical gremlins?


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