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: 647-247-8555




Patrick Sharp –
Fast shipping and the plug-and-play programming made installation a breeze—highly recommend!
Mason Morris –
I was really impressed with how quickly this ECM arrived after I ordered it. The unit came pre-programmed for my 2004 RAM 5.9L Cummins, so installation was straightforward—just plug and play with no hassle. Compared to the dealer’s outrageous quote, this service saved me a ton of money and spared me a lot of stress. Throughout the process, the communication was clear, and I felt confident that I was in good hands. Everything worked perfectly right away, and my truck is running like new again.
Elliot Miller –
Fast shipping and the unit was truly plug-and-play. Saved me a bunch versus dealer prices with smooth, professional service all the way through.
Trevor Reynolds –
Super fast shipping and perfect plug-and-play ECM—my 2004 Ram runs like new again!
Hunter Bailey –
I recently purchased the 15250150AI ECM for my 2004 Ram with the Cummins 5.9L, and I couldn’t be happier. The shipping was surprisingly fast, and the unit was ready to install right out of the box—plug-and-play with no issues. This saved me a ton of money compared to dealer prices, and their communication was clear and helpful throughout the process. Installation went smoothly, and the truck runs perfectly now.
Hunter Richardson –
I purchased the 15250150AI ECM for my 2004 Cummins Ram, and the experience was fantastic. The unit arrived quickly with free shipping, which was a pleasant surprise. It came VIN programmed and ready to install, making the swap incredibly straightforward. The communication was also top-notch—they kept me informed throughout the process and answered all my questions promptly.