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



Connor Wright –
I was really impressed with how quickly this ECM arrived—shipping was faster than I expected. The unit came fully VIN programmed and was truly plug-and-play, which made installation a breeze on my 2004 Ram 5.9L Cummins. The service saved me a significant amount compared to dealer pricing, and the communication throughout the process was clear and professional. Overall, a smooth experience that got my truck running perfectly again.
Bruce Hamilton –
I was really impressed with how smooth the whole process was for getting this ECM for my 2004 Ram 5.9L Cummins. The unit arrived quickly with free shipping, which was a nice bonus. What stood out to me was the plug-and-play setup—they had it programmed to my VIN before it even shipped, so installation was a breeze. I also appreciated the team’s quick responses whenever I had questions, which made me feel confident throughout. After installing it, my truck runs like new again, and I couldn’t be happier with the quality.
Anthony Reynolds –
I was nervous about ordering a replacement ECM for my 2004 Ram Cummins, but this unit arrived exactly as described and was already VIN programmed, which made installation a breeze. The plug-and-play setup saved me a ton of time, and my truck fired up perfectly the first time. The shipping was impressively quick and free, which was a nice bonus since I needed to get back on the road ASAP. Customer service was also top notch—they answered all my questions promptly and kept me in the loop throughout the process. Overall, a great experience and a quality product that restored my truck’s performance.
Ian Allen –
Fast shipping and the VIN programming was spot on—my 2004 Ram runs like new again!
Steven Bates –
I’m really pleased with the 15250150AB ECM for my 2004 RAM Cummins. The unit arrived quickly with free shipping, which was a nice bonus. What impressed me most was the plug-and-play setup—they had it programmed to my VIN before it shipped, so installation was smooth and hassle-free. Overall, excellent quality and service.
Carlos Campbell –
Fast shipping and the plug-and-play ECM fit perfectly in my 2004 RAM Cummins. Saved a bundle versus dealer prices with smooth installation and great communication.