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
Russell Hamilton –
Fast shipping and the unit was truly plug-and-play—saved me a bundle compared to dealer prices. Installation went smoothly and their communication was spot on.
Logan Allen –
I purchased the 20325231AB ECM for my 2004 RAM Cummins and was really impressed with how smoothly everything went. The unit came VIN programmed and ready to install, which saved me a lot of time and hassle. Shipping was fast and free, and I appreciated the clear communication throughout the process when I had a few questions. Overall, a solid experience and the truck runs perfectly now.
Mason Lewis –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 RAM—installation was a breeze. Communication was spot on, and they answered all my questions right away.
Logan Brooks –
I was a bit nervous ordering an ECM online for my 2004 RAM Cummins, but this unit arrived exactly as described and was already VIN programmed, which saved me a ton of hassle. The plug-and-play setup made installation straightforward, and my truck fired right up with no issues. Shipping was surprisingly fast and didn’t cost me an arm and a leg, which I really appreciated. Throughout the process, the seller kept me in the loop with updates, so I always knew where my part was. Overall, a smooth and professional experience from start to finish.
Samuel Scott –
The 20325231AB ECM arrived quickly and was exactly as described for my 2004 RAM with the 5.9L Cummins. I appreciated that it came fully VIN programmed, which made installation completely plug-and-play with no hassle. The seller kept me informed throughout the process and answered all my questions promptly. Shipping was also very reasonable, making the whole experience smooth and stress-free.
Shane Rogers –
I was really impressed with how quickly the ECM arrived after I ordered it. The shipping was fast, and once I got the 20325231AB unit for my 2004 Ram 5.9L Cummins, installation was a breeze—it truly was plug-and-play with no extra programming needed. The entire process saved me a ton of money compared to the dealer’s quote, which was way higher. The communication from the seller was clear and helpful, making me feel confident throughout. Overall, it was a smooth experience from start to finish, and my truck runs perfectly now.
Joel Ward –
The ECU arrived quickly with free shipping, and it was perfectly programmed for my 2004 RAM—couldn’t be happier with the service.
Great communication throughout the entire process, and the plug-and-play setup made installation a breeze on my Cummins.
Fast turnaround and the ECM works flawlessly; their updates kept me in the loop every step of the way.
They provided professional programming that saved me a ton of time, plus shipping was super affordable.
Quality repair and excellent customer support—answered all my questions right away and got my truck running like new.
Travis Walker –
The ECM arrived quickly and was exactly as described, making the installation straightforward and hassle-free. It was fully VIN programmed and plug-and-play, so I had no issues getting my 2004 RAM Cummins back on the road right away. The support team was very responsive, which made the whole buying process smooth. Choosing this option saved me a significant amount compared to dealership prices, which I really appreciated.