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
Matthew Morris –
I was really impressed with how smoothly everything went when I ordered the ECM for my 2004 RAM Cummins. The fact that it came VIN programmed saved me a ton of hassle since I didn’t have to do any extra coding or take it to a shop. Shipping was free and arrived sooner than I expected, which was a pleasant surprise. The truck fired right up with no issues, and I noticed my engine running much smoother. Overall, this was a solid purchase, and the professional setup made the entire process stress-free.
Brandon Baker –
ECM arrived quickly with free shipping and was perfectly programmed for my 2004 Ram; installation was seamless and the truck runs great.
Great communication throughout the process and the plug-and-play setup made replacing my RAM’s ECM hassle-free—highly recommend!
Fast turnaround and the updated ECM works flawlessly; the team answered all my questions promptly, making the whole experience stress-free.
Jorge Gray –
I purchased the 20325253AN ECM for my 2004 Ram Cummins, and the whole process was seamless thanks to their professional VIN programming service. The unit arrived quickly with free shipping, which was a nice bonus. Their team answered all my questions promptly and kept me updated throughout the shipping and programming stages. Installation was straightforward, and my truck runs like new again.
Travis Poole –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 RAM Cummins—installation was a breeze.
I had a few questions before ordering, and their team responded promptly with clear answers, making the whole process smooth and worry-free.
Plug-and-play setup made this ECM swap super easy, and the turnaround time was faster than I expected.
Great quality and professional VIN programming saved me hours of hassle—highly recommend for anyone needing a reliable ECM.
Shipping was very reasonable and the communication was top-notch; they kept me informed every step of the way.
Austin Turner –
Fast shipping and the unit was truly plug-and-play—saved me a bundle compared to dealer prices. Installation was straightforward and the customer support was top-notch.