pcm

  1. R

    ECM Interchangeable between years?

    Hey y'all, I've got a 2015 Ram Power Wagon. I'm looking to get a tune done to it, and as we all know at this point, it needs to either be unlocked, or I need to get a spare to unlock. I am able to purchase a 2016/17 ecm for far less than a 2015, so I was wondering if the VIN were flashed if...
  2. K

    Ram 2500 after recall

    So I have banks monster ram intake, boost tubes, and big ass air intake installed, no tunes, I had oil leak, so had take truck dealer and they also updated pcm Cummins emissions recall update, on way home I get code P0452 air intake heater A circuit high, so is this just bad timing and grid...
  3. B

    2012 ram 2500 5.7 pcm plug diagrams

    Hi, I'm new here. I am looking for a wiring diagram on the plugs for my PCM on my 2012 Ram 2500 5.7. Someone spliced my automatic transmission pressure sensor wire too short and I would like to run new wires up to the right connector pin where it plugs into the pcm. I cant seem to find a diagram...
    • bhill115
    • Thread
    • computer ecu pcm tipm wiring harness
    • Replies: 4
    • Forum: Tech Info
  4. C

    2010 5.7 PCM/ECU Swap

    I have a 2010 Dodge Ram 1500 5.7 2wd. I need a new ecu/pcm. what year models are compatible with my truck so i can find the part at a salvage yard. any information helps thanks!
  5. L

    P0301 Help

    I have a 2011 Ram 1500 SLT 4WD 5.7 Hemi with 183,000 miles. These are all the codes I have currently: -P0301 cylinder 1 misfire -P0456 evap system leak (I have a small exhaust leak so self explanatory) -P0153 O2 sensor 2/1 slow response -P0133 O2 sensor 1/1 slow response -P0430 Catalyst system...
  6. J

    Manual swap

    I have an 03 dodge 2500 with a 5.7 hemi that I am redoing from the ground up, I am putting a bigger cam in, porting the heads, and getting a new intake along with bigger injectors fuel pump etc. I am positive that my 545rfe will not last long with my final power numbers and I know it is out of...
  7. L

    2016 1500 5.7 Died, Please help!

    Sorry if this is in the wrong spot, I’m new here. This is my first ram, I bought it a few months ago only and this is the first real issue I’ve ran into, however possibly a big one? I looked for a similar thread and I could not find an instance quite like mine. Was driving my 2016 1500 5.7 Big...
    • lij1500
    • Thread
    • 5.7 5.7 hemi bad pcm ecm electronic no crank no start pcm pcm issues wiring
    • Replies: 18
    • Forum: General Discussions
  8. 24vMann

    1998.5 24v no power to gauges or fuel pump.

    So earlier this winter I didn’t plug my truck in went out to start -40° ended up bending push rods so I pulled the motor. Just put the motor back into the truck this week, everything hooked back up correctly. I go to start the truck and now I have no gauges, tack, fuel light etc… and no power to...
    • 24vMann
    • Thread
    • 24v cummins ecm fuel pump pcm vp44
    • Replies: 2
    • Forum: Heavy Duty
  9. B

    2002 5.9… no fuel or spark. Bad pcm?

    Hey guy, I’m working on my father-in-law’s truck and I believe the pcm is bad, but I wanted to get some second opinions before jumping the gun. The truck supposedly would run fine but then going down the road, the gauges would flicker and the whole truck shuts off. You could wait a few minutes...
  10. Apauls

    PCM Communication problems

    Hey everyone first timer here not too sure how to navigate this site that well. My question: My 1996 ram 2500 Cummins doesn’t communicate with scan tools to diagnose anything. I even took it to a mechanic. I’d assume right off the bat that it’s my PCM or a wiring issue. I just installed a...
    • Apauls
    • Thread
    • 1996 ram 1996 ram 2500 2nd gen cummins communication problems dash lights limp mode pcm shifting problems tcm wiring issue
    • Replies: 0
    • Forum: General Discussion
  11. M

    ECM wiring harness replacement

    Hello, not sure if I am posting this in correct location...someone please move if not... 2016 Ram 1500 5.7 Have taken my ecm board out one too many times, and the connectors have broken. Not only the outside part with the red locking lever, but the actual connector with the green and blue tabs...
  12. Mister Luck

    Intelligent Battery Sensor Readings

    I Changed my battery recently and was concerned the battery I replaced the OE battery with is Absorbent Glass Mat ( AGM ) and not , ( FLA ) Flooded Lead Acid but is still the same Group Size Item Number 852241 Group Size H7 (94R) CCA 765 CA 955 Voltage 12 RC 140 Ah 80 Length...
  13. D

    05 2500 pcm

    Need a pcm for 05 w/ 5.7 n stick. P56028964af on sticker. Also says p56028878ab under update sticker.
  14. E

    5 cables with same color pcm help indentifying

    i cutted the c3 to solder a better one but didnt notice that there were 2 16awg and 3 20 awg with the same color and now i dont now which cable is which i can identify from the pcm with the pin order but no in the harness do they have a number writen on them or i have to trace back each cable?
  15. T

    2003 Cummins No communication with PCM help

    Hello I have a 2003 Cummins with an automatic and I can not get anything to show for the transmission on any scanner. The PCM was verified to be good. I have continuity from the PCM to the Data link connector. I can read the engine data just fine. The TIPM originally failed and has been replaced...
    • Triram123
    • Thread
    • 2003 dodge ram 2500 48re 5.9 cummins limp mode pcm pcm issues transmission
    • Replies: 1
    • Forum: General Discussions
  16. Charles Waters

    98 1500 5.2 Mystery Battery Drain

    Good morning all... I have a 98 Ram 1500 Laramie that continues to drain the battery while sitting. After 3 or 4 days, the battery is low enough that I can't start the vehicle unless jumped, or I always end up having to leave the battery charger / maintainer connected. Recently, the...
  17. Nathan Triplett

    Unlocked spare pcm, change vin? skim relearn?

    I bought a junkyard PCM (2015+ gpec2a) and sent it to HP Tuners to get unlocked. Opened a support ticket to verify that my stock VIN and calibration were transferred to my spare unlocked PCM. Apparently they don't offer this, at least with their free unlocking service. Can I install my spare...
  18. NY Andrew

    ECU Fuse Pull? & Fuel info/tip?

    I have a motorcycle and just got off the phone with a super smart ECU flash guy. Somehow got sidetracked and started talking about the Hemi and he said something I haven't heard or read before, so figured I'll post here see what you guys think on the subject. He said how when you first...
  19. Ram7081

    PCM tabs broke. Replacement part?

    Posted under "electronics". Hope this is the right area. I broke the PCM locking tabs 4 years ago. I'd like to fix them finally. lol. Is this the correct part for both? https://www.mouser.com/ProductDetail/TE-Connectivity/1924779-1?qs=38Qq1exbXqd5qGgdJMBQyg==
  20. S

    Won't crank, sounds like bad battery but isnt

    Hi guys, had my 2008 5.7 4x4 1500 for a LPG tank swap/ new tires at a little shop here in germany. Following has happened: truck wont start, sounded and acted like a bad battery (Basically tried to crank but couldnt turn over). They've tried a new battery, checked all grounds, starter is okay...
  21. jlyalls

    2012 Ram 5.7L Replaced OCM but code still shows up after unhooking battery

    Hey guys, I started getting a check engine light and had Autozone scan for me and it brought up certain codes that suggested the OCM (Oil control module) needed to be replaced. The truck has roughly 134,000 miles. So I removed the intake manifold and replaced the OCM with a newer one. You...
    • jlyalls
    • Thread
    • 2012 ram hemi check engine light ocm oil control module pcm power control module
    • Replies: 9
    • Forum: Engine & Performance
  22. k_wix2007

    Service Transmission. Continue in D. Do Not Shift or Turn Engine Off

    Hello all, I have a 2017 RAM 1500 5.7 Hemi with the 8 speed transmission and I am getting this error code while I am driving and was wondering if anyone else has seen it. It comes and goes so fast that I actually had to take a video to figure out what it says. I had this same problem last...
  23. F

    2012 5.7L Hemi Stall

    First I want to say thanks to everyone’s contribution to similar issues in this forum and many others as it has helped me through the troubleshooting process (just over 3 months). Below is the conditions, symptoms, and steps/actions taken to correct the dreaded random stalling issue. I did all...
  24. VolsRam

    Diablo Trinity Upgrade Or No??

    Back when I had my 2013 RAM 1500 I purchased a Diablo T1000 with Hemifever custom tuning. After I got rid of the truck, I kept the tuner thinking I could sell it, but never did. Now I’m in a 2017 RAM 1500, beginning to look at MODs to do, and I’m trying to decide if I should keep using the T1000...
    • VolsRam
    • Thread
    • custom tune diablo diablosport pcm t1000 trinity trinity t2 tuner tuning
    • Replies: 3
    • Forum: Engine & Performance
  25. ArkansasDodge

    Voltage regulator in PCM fried??

    Hello everyone... After spending all day researching 4th gen ram charging systems I have a problem to share. Yesterday, I finished rebuilding (cam, lifters, etc) my 2015 ram 1500 and everything was charging correctly upon completion. However, two nuts on my rocker arm assembly were making a...

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