pcm

  1. M

    Dash lights up like a Christmas tree

    I have a 2015 Ram 1500 that started with electrical issue I believe. At least 3 months ago when starting the truck I began having an issue where after the dash lights complete their "test", just about all of them would come on and stay on. It'***** and miss when I start it. Sometimes they the...
    • MattK67
    • Thread
    • 1500 bcm dash lights mil pcm power loss powertrain codes ram tipm warning lights
    • Replies: 7
    • Forum: General Discussions
  2. W

    PCM programming, what is and isn't necessary?

    2002 Dodge Ram 4.7 Magnum with 184960 miles on chassis, 40k on motor and trans. I had stalling issues last Sunday with no restart and the "no bus" message and based on the fuel pressure check reading within specs, and the fact that this happened two years ago also, I ordered a replacement PCM...
  3. cutman2000

    ECM

    When buying an ECM, is it safe to buy a used computer, if so, what do I need to be sure of? I'm seeing a refurbished one from a reputable online site for $300, which they're saying it's a plug in and go/reprogrammed. But I'm seeing a used one for $60, that's showing will run for my exact truck...
  4. J

    Pcm plug

    I have a 2016 ram 1500 express 5.7l. Original issue is the battery kept dying. Took it to dealer they said faulty pcm. I ordered a replacement pcm from flagshipone. Installed replacement and now i have every warning light known to man. Called the dealer and talked to the tech. He mentioned the...
  5. L

    Swapping the 2005 Hemi PCM into a 2004 Hemi

    Hello everybody, hope you all are doing well. Listen... I know this topic has been discussed, I've read every single thread on multiple forums of this topic. But none of them had a definitive how-to with an end result. There are a lot of threads on swapping an '05 PCM into and '03 Ram but...
  6. John_Eagle13

    2013 1500 5.7 Potential BCM issue?

    Hey guys, brand new here. I've been tuning my truck for about a year now, by myself, with my own hardware. Up until about a month ago I've had 0 issues till I made a mistake loading a tune into the truck and corrupted the PCM. Long story short I bought a rebuild PCM and put it in last week. I...
    • John_Eagle13
    • Thread
    • bcm body control module body control modules diagnosis help identifying nostart pcm tunes
    • Replies: 1
    • Forum: Engine & Performance
  7. A

    ASD Relay Bypass Questions

    Hey everyone. New to the forum and I recently bought a used 2014 1500 5.7L. After about 2 weeks, the truck stalled and will no longer start. Some digging revealed something is going on with the ASD relay. I decided to test by removing the relay and directly connecting where pin 30 and 87...
  8. R

    2017 Ram 1500 Sport, 5.7 Hemi - PCM Fuse Question

    Hi Everyone, I'm diagnosing what I think is a shot EPS unit on my truck. In doing so I've gone through the fuse box and changed the fusible link off the positive battery post. During this process I noticed the PCM fuse (Location: F72 10A) won't light up my testing tool with the truck on or off...
  9. 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...
  10. 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...
  11. 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...
  12. 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!
  13. 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...
  14. 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...
  15. 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
  16. 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
  17. 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...
  18. 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
  19. 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...
  20. 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...
  21. D

    05 2500 pcm

    Need a pcm for 05 w/ 5.7 n stick. P56028964af on sticker. Also says p56028878ab under update sticker.
  22. 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?
  23. 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
  24. 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...
  25. 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...

Latest posts

Staff online

Members online

Total: 2,839 (members: 21, guests: 2,818)
Robots: 1,621

Forum statistics

Threads
210,828
Posts
3,058,562
Members
170,669
Latest member
geneseedennis
Back
Top