Search Results for ‘pcm’

Hey y’all, new to the forum here. Having some issues that I believe are ESS and/or PCM related. Any help would be greatly appreciated. I’ve downloaded the fsm, read through almost every applicable post I could find, spent hours under the hood with a multimeter and I’m still stumped. Can’t find a...

Hey guys, I’ve been battling an issue with my 98.5 24v 4x4 first start up it high revs up to about 2000-2500rpms only in park and neutral, in drive it idles around 1200-1500 and I have no throttle response, if the trucks been sitting awhile every now and then it won’t do this, however, it...

New member, been searching for answers and haven’t found anything. Hoping someone here might have dealt with this or have some insight. Truck is an 08 Ram 2500 6.7 G56 Deleted/ Tuned with HS minimaxx Truck was having issues with the electric 4wd shift. It was getting stuck in 4wd and then...

I own a 2008 Dodge 2500 with a 6.7 in it. Recently (last 1-2 years), while driving, for the first 10-20 minutes the truck surges and the dash lights as well as the headlights and tail lights surge slightly a rapidly. The truck also lopes with the surging. After about 20 minutes of driving, it...

Decided to replace the PCM on my 95 Cummins Ram 2500 automatic, because: -tachometer going nuts, replaced RPM sensor, no help -charging is erratic, watching ammeter, voltage regulator is in the PCM so they say. -replaced TPS. There are a lot of PCMs on the web. I don't want to get a cheapy...

Hey guys I really need some help here.. I bought my truck and thought this was a small issue. Bought the truck and it didn’t turn over, no codes no faults. First shop told me it was just TIPM replacement. When tipm was replaced the ecu couldn’t be accessed and couldn’t read anything so it...

2001 dodge ram 2500 4x4 I recently installed a new fmvb in my 47 re and a new plug that only has 3 out of the 8 wire to run it However once I went to start the truck I had no guages. Truck starts fine with the tach being the only guage that works, headlights work, power windows work, radio...

2008 6.7 Cummins Hi, relatively new to the 6.7 and Chrysler. My serpentine belt blew off recently and broke the CPS. After replacing both I started it up and Noticed the water pump would also need replacing. After replacing the waterpump It started up again fine and I let it Idle up to...

My main question: Is it possible To have random grounding issues from the pcm? OR do I have a grounding problem elsewhere? My past experiences with ECM/PCM's have always been, all or nothing... This week's issue: Intermittent and/or dead throttle response. Codes 2127, 2121. Installed and...

I know, I know, check the vacuum lines. I did, they’re fine. Let me explain. I’m working on my 1998.5 ram 2500 dually 4x4 auto (yes, a 2500 dually, someone swapped it) trying to get cruise control to work. I cannot get a cruise control light to come on. when I cycle the key on, the cruise...

Hey y’all, my trucks been having a list of problems lately, and I need some advice. Since I bought the truck, it has not started until the WTS light turned off, since then, the WTS light no longer turns on, the truck starts hard and puffs white, cruise control does not turn on, and the...

All, As you can tell by my title of my post, I’m having a rough bit of luck with my truck. Two months ago, my truck, a 2011 Ram 3500) unexpectedly quit after driving a 3 hour trip. Truck ran fine until I parked it for the night. Went outside the next morning to start it and nothing happened...

Hey all, another FCM issue (maybe). I’ve done all the research and reading I can and have done a lot of in depth testing already but I’m at a loss. ISSUE: My gauge cluster works intermittently. The tach and speedo work for about 5 seconds and then off for about 5 seconds. The other gauges will...

I have a 2001 6 speed manual 2500 with a dead pedal/runaway throttle, it changes randomly and sometimes will almost redline without me touching the pedal. It will drive normal for a few minutes then start doing this every time. At first I thought it was the TPS but I have put 2 different ones in...

I have a 2007 6.7 with 240k miles, having super wired problem with pcm. Truck will start fine in the morning and runs great until hits operating temp then loses communication with pcm dies and will not restart. Have to let sit for 12 plus hours for restart then same problem. Verified good ground...

I recently purchased the Edge cts3 for my truck (2006 2500 5.9 with a 48RE jasper trans) per my previous post my trans was working fine other than rpm were a bit odd 2500rpm/60 mph some say its normal other say it’s not. That is besides the fact truck still drove with no problems. Immediately...

I have an open wire somewhere between the number 7 pin of the data link connector and pin 16 of a connector on the ECM. I have gotten this far and currently stumped, cant see a broken wire and not sure exactly where the harness runs. Also not sure what the breaks are on the wiring diagram. Any...