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
Oliver Watson –
The VIN-programmed ECM arrived quickly with free shipping, and it worked perfectly right out of the box—highly recommend!
Grant Howard –
I was pleasantly surprised by how quickly the ECM arrived after ordering, and the fact that it was already programmed to my VIN made the installation process completely hassle-free. It truly was plug-and-play, and I had my 2004 Ram Truck running smoothly again in no time. The customer service was very responsive, answering all my questions promptly. Choosing this over a dealer replacement saved me a ton of money without sacrificing quality.
Robert Moore –
I purchased the 20325251AN ECM for my 2004 RAM with the 5.9L Cummins, and I’m very impressed with the service. The unit arrived quickly with free shipping, which was a nice bonus. It was already VIN programmed and ready to install, making the swap straightforward without any extra hassle. The quality feels top-notch, and the truck runs perfectly now.
Harrison Gray –
Fast shipping and a plug-and-play unit that saved me a ton compared to dealer prices—installation was straightforward and the team kept me updated the whole way.
Colin Brown –
The ECU arrived programmed and ready to install with zero hassle, plus the free shipping was a great bonus. Communication was spot on—they kept me informed every step of the way.