Description
2004 RAM Ram Truck (Cummins) 5.9L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 RAM Ram Truck (Cummins) 5.9L models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Bruce Poole –
I was a bit nervous about ordering a replacement ECM for my 2004 Ram with the Cummins 5.9L, but this unit arrived exactly as described and was already VIN programmed, which saved me a lot of hassle. The shipping was quick and free, so it showed up just a few days after I placed my order. Installation went smoothly, and the truck fired up right away with no error codes. The seller was great about keeping me in the loop and answered all my questions promptly, which made the whole process much less stressful. Overall, a solid experience and a reliable product that got me back on the road fast.
Elijah Phillips –
I was really impressed with how smoothly the whole process went. The ECM arrived quickly with free shipping, which was a nice bonus. The unit was already VIN programmed, and it worked perfectly right out of the box with my 2004 RAM Cummins. Their team was also quick to answer my questions when I had a couple of concerns, making the experience hassle-free.
Hunter Keller –
I was really impressed with how quickly this ECM arrived, and the free shipping was a nice bonus. The unit came VIN programmed and ready to install, which saved me a lot of hassle. The communication from the seller was excellent—they kept me updated at every step and answered all my questions promptly. Installation went smoothly, and my Ram is running perfectly again.
Travis Scott –
Super fast shipping and the ECU was perfectly programmed for my 2004 RAM. Everything worked flawlessly right out of the box!
Mark Chapman –
I was really impressed with the service I received when ordering the 20325231AN ECM for my 2004 Ram Cummins. The team provided professional VIN programming, so it was basically plug-and-play once it arrived. Shipping was free and arrived faster than I expected, which made the whole process smooth. They kept me informed throughout, answering my questions promptly and clearly. After installation, my truck runs better than it has in years—definitely worth every penny.
Jordan Howard –
Fast shipping and a perfect fit—this ECU was truly plug-and-play. Saved me a ton versus dealer pricing and installation was a breeze.
Michael Murray –
I was a bit nervous about replacing the ECM on my 2004 RAM Cummins, but this unit came pre-programmed to my VIN, which made installation so much easier. The free shipping was a nice bonus, and the package arrived faster than I expected. After swapping it out, my truck fired right up with no issues at all. The whole process was smooth, and I appreciated how the seller kept me in the loop throughout. Definitely a reliable product and service I would recommend to anyone needing an ECM replacement.
Anthony Walker –
Fast shipping and the ECU came perfectly programmed for my 2004 RAM 5.9L—had it installed and running without any hassle.