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
Caleb Adams –
I was really impressed with how smoothly everything went ordering the 20325231AG ECM for my 2004 Ram Cummins. The unit arrived faster than I expected, and the free shipping was a nice bonus that saved me some extra cost. What stood out the most was their programming service—they had my VIN programmed perfectly before it even shipped, so install was literally plug-and-play. I had a couple of questions along the way, and their customer service team responded quickly, which gave me peace of mind. Since swapping it in, my truck has been running flawlessly, just like new.
Jason Moore –
The VIN programmed ECM arrived quickly with free shipping and was plug-and-play—saved me a ton of hassle. Communication was spot on, and the whole process was smooth.
Grant Hamilton –
Super fast shipping and the plug-and-play setup made installation a breeze on my 2004 Cummins. Great service all around!
Isaac Perez –
I was really impressed with how smooth the whole process was when ordering the ECM for my 2004 RAM Cummins. The VIN programmed module arrived quickly, and the plug-and-play setup made installation a breeze. The staff was great at answering all my questions and kept me updated throughout, which made me feel confident about my purchase. Shipping was reasonable and arrived right on time. After swapping the unit, my truck runs like new again—definitely worth it.
Russell Russell –
I’m really impressed with the 20325231AG ECM for my 2004 Ram Cummins. The shipping arrived faster than I expected, and the unit was truly plug-and-play, making installation a breeze. Compared to dealer prices, this saved me a ton of money, and the team’s communication throughout the process was excellent. Overall, a smooth experience and a reliable product.
Colin Green –
Fast shipping and the plug-and-play unit worked perfectly in my 2004 Cummins. Saved me a bundle versus the dealer and the installation was a breeze.
Victor Reed –
I’m really pleased with the 20325231AG ECM I purchased for my 2004 Ram Cummins. The unit arrived quickly with free shipping, which was a nice bonus. The programming was done professionally, and it was ready to plug and play right out of the box. The seller kept me informed throughout the process, which made the whole experience smooth and worry-free.
Dylan Howard –
I ordered the 20325231AG ECM for my 2004 RAM Cummins and was impressed with how quickly it arrived thanks to their free shipping. The unit came VIN programmed and ready to install, which made the whole process super simple. Customer service was also very responsive and answered all my questions promptly. Overall, a smooth experience with a high-quality product that works perfectly.