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
Ian Roberts –
I was impressed with how quickly this ECM arrived, especially with the free shipping option. The unit came VIN programmed and was truly plug-and-play, making installation hassle-free. Their team also answered all my questions promptly, which gave me confidence in the whole process. Overall, a great experience from ordering to getting my 2004 Ram back on the road.
Max Wallace –
I was really impressed with how smooth the process was ordering the 20325251AN ECM for my 2004 RAM 5.9L Cummins. They programmed the unit specifically for my VIN before shipping, so it was truly plug-and-play when it arrived. The shipping was very reasonable, and I got it faster than I expected. Their team answered all my questions promptly and kept me informed throughout, which gave me a lot of confidence in the purchase. Since installing it, my truck runs flawlessly, and I’m very glad I chose this seller.
Mason Little –
I was really impressed with how quickly this ECM arrived—I needed it urgently to get my 2004 Ram 5.9L back on the road. The unit was fully VIN programmed and literally plug-and-play, which made the installation process a breeze even for someone like me who’s not a professional mechanic. The difference in price compared to the dealer was huge, saving me several hundred dollars. The seller also kept me informed throughout, which gave me peace of mind. Overall, this purchase exceeded my expectations and got my truck running perfectly again.
Aiden Sharp –
The PCM arrived quickly with free shipping and was already VIN programmed, making installation a breeze. Excellent service and fast turnaround!
Trevor Chapman –
I was nervous about replacing the ECM on my 2004 Ram with the Cummins engine, but this unit arrived quickly and was already VIN programmed, which made installation a breeze. The plug-and-play setup saved me a ton of time, and it fired right up without any issues. Shipping was free and arrived exactly when promised, so I didn’t have to worry about any delays. Their team was also really responsive when I had a couple of questions before ordering. Overall, a hassle-free experience with a product that works perfectly.
Cooper Lewis –
Super quick shipping and the ECM was a perfect plug-and-play fit for my 2004 Ram. Saved me a ton compared to dealership prices and the installation went without a hitch.
Marcus Torres –
I was really impressed by how quickly the ECM showed up after placing my order—definitely faster than I expected. The unit was plug-and-play, making the installation process hassle-free. This saved me a significant amount compared to dealer prices, and the communication throughout was clear and professional. Overall, a smooth experience that got my 2004 RAM Cummins running like new again.