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
Leo Campbell –
I was really impressed with how smoothly everything went with this ECM for my 2004 RAM Cummins. The part arrived faster than I expected, and the free shipping was a nice bonus. What stood out the most was the professional VIN programming service they provided—it was truly plug-and-play once installed, no headaches at all. The communication was top-notch too; they responded quickly whenever I had a question about the process. Since swapping it in, my truck runs just like new again, and I couldn’t be happier with the quality of the repair.
Lucas Hill –
The ECM arrived quickly with free shipping and was perfectly programmed for my 2004 RAM; installation was a breeze. The team kept me updated throughout the process and answered all my questions promptly.
Steven Burton –
Shipping was super fast and the ECM was truly plug-and-play. Saved me a ton compared to dealer prices and the installation went without a hitch.
Caleb Brown –
I was really impressed by the service I received when ordering the 20325253AB ECM for my 2004 RAM Cummins. The unit arrived quickly and was already VIN programmed, which made installation a breeze—just plug and play. What stood out the most was how the seller kept me updated throughout the process and promptly answered my questions when I called to confirm compatibility. Shipping was free and arrived right on time, so I didn’t have to worry about extra costs or delays. Since swapping the ECU, my truck has been running smoother than ever. Overall, a professional and reliable experience from start to finish.
Andrew Keller –
I was really impressed with the quality of this ECM for my 2004 Ram 5.9L Cummins. The unit arrived quickly with free shipping, and everything was exactly as described. What stood out most was the professional VIN programming they provided—made installation straightforward and hassle-free. Customer service was also responsive and helpful when I had questions.