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
Russell Evans –
The ECU arrived quickly with free shipping and was fully programmed to my VIN—installation was a breeze! The team answered all my questions promptly, making the whole process stress-free.
Harrison Brooks –
Fast shipping and the plug-and-play ECU worked perfectly, saving me a ton compared to dealership prices. Installation was seamless and the communication was top-notch.
Aiden Wright –
I was really impressed with how quickly they shipped the ECM, and the free shipping was a nice bonus. The unit arrived VIN programmed and ready to plug in, which made installation straightforward. The quality is excellent, and my truck runs better than ever. They also responded promptly when I had a few questions before ordering.
Austin Bailey –
I ordered the 20325253AC ECM for my 2004 RAM Ram Truck with the 5.9L Cummins, and I’m really impressed. The shipping arrived much faster than I expected, and the unit was truly plug-and-play, making installation straightforward. Compared to dealer prices, this saved me a ton of money without sacrificing quality. The communication throughout the process was excellent, and everything worked perfectly right out of the box.
Edward Smith –
I was really impressed with how quickly this ECM arrived after I placed my order—shipping was definitely faster than I expected. Installation was straightforward since the unit was truly plug-and-play; I didn’t have to fiddle with anything extra. The fact that it was VIN programmed and updated made the whole process stress-free. Compared to the dealer’s quote, I saved a significant amount of money without sacrificing quality. The communication throughout the order was clear and helpful, which gave me confidence in the purchase. Overall, it was a smooth experience from start to finish, and my truck runs perfectly now.
Sean Allen –
Fast shipping and the ECU arrived perfectly programmed for my 2004 Ram Cummins—plug-and-play made installation a breeze.