2005 Ram 2500 keeps dying

Discussion in '3rd Generation Ram Forum (NO engine/transmission topics) Archive' started by jpbrameier, Mar 6, 2021.

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  1. jpbrameier

    Recently I have had a lot of issues with the charging system on my 2005 Dodge Ram 2500 4x4. I put a new alternator on, batteries tested good, battery cables are good (ran a multimeter in positives and grounds), etc. I got a replacement ECM as my theory was the voltage regulator in the PCM was the cause of my issues. Charging voltage is within regular parameters now, but I was throwing around 18 codes. Truck will go about 20m then die. If I rev it, it sounds like it's about to runaway then dies.
    The following had been replaced in addition to the ECM and alternator:
    FCA
    PRV (it's plugged now)
    MAP sensor
    air filter sensor

    an ideas of what I should be trouble shooting next? Or maybe I received a bad ecm?
     
    jpbrameier , Mar 6, 2021
    #1

  2. Ozymandias TDR MEMBER

    Grounds Grounds Grounds!

    If you get that amount of codes it's almost always ground related because all systems share common grounds.
     
    Ozymandias , Mar 6, 2021
    #2
    RogerM, Darkbloodmon and Jim W like this.

  3. Yo Hoot TDR MEMBER

    Yo Hoot , Mar 7, 2021
    #3

  4. Regcabguy

     
    Regcabguy , Feb 10, 2022
    #4

  5. p-Bar

    The positive crossover cable too
     
    p-Bar , Feb 10, 2022
    #5
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