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: 647-247-8555
Aiden Richardson –
Fast shipping and the plug-and-play programming made installing this ECM a breeze—my truck runs like new!
Joel Evans –
I was really impressed with the service I received for this 2004 Ram Truck ECM. The unit arrived VIN programmed, so all I had to do was install it—no extra hassle or trips to the shop. Shipping was free and arrived quicker than I expected, which was a huge plus since I needed my truck back on the road fast. The quality of the module is top-notch, and the truck runs smoothly now without any warning lights. Overall, a stress-free experience from start to finish.
Henry Morgan –
Fast shipping and the VIN-programmed ECU fit perfectly with my 2004 Ram Cummins—super easy plug-and-play. Highly recommend!
Mark Evans –
I was really impressed with how quickly this ECM arrived and that it came already VIN programmed, making the installation completely plug-and-play. The part worked perfectly in my 2004 RAM 5.9L Cummins, and the whole process was much smoother than I expected. Compared to dealer pricing, this purchase saved me a significant amount, and the seller’s communication throughout was clear and helpful. Definitely a great experience overall.
Harvey Watson –
I ordered the 20325231AA ECM for my 2004 RAM Cummins and was really impressed by how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. What stood out the most was their professional VIN programming service—the plug-and-play setup had my truck running perfectly without any hiccups. Throughout the process, their team was quick to answer all my questions, making me feel confident about my purchase.
Chase Brown –
Fast shipping and the unit was truly plug-and-play; installing this ECM saved me a ton compared to dealer prices. The whole process was smooth and their communication was spot on.
Diego Lopez –
I purchased the 20325231AA ECM for my 2004 RAM with the 5.9L Cummins, and the entire process was smooth from start to finish. They offer free shipping, which was a nice bonus, and the unit arrived quickly and exactly as described. What impressed me most was the professional programming service—they had the ECU VIN programmed perfectly before it shipped, so it was truly plug-and-play. I ended up saving a lot of time and hassle thanks to their expertise.