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 Marshall –
I purchased the 20325231AH ECM for my 2004 RAM Cummins and was impressed by the seamless plug-and-play setup. The unit arrived quickly with free shipping, and the programming matched my VIN perfectly. Their team was also very responsive when I had a couple of questions, making the entire process hassle-free. Overall, this has been a reliable replacement that got my truck back on the road without any issues.
Sean Lewis –
Received the programmed ECM quickly with free shipping, and it worked perfectly right out of the box—highly recommend!
Tyler Wallace –
I ordered the 20325231AH ECM for my 2004 RAM Cummins, and it arrived quickly with free shipping, which was a nice bonus. The unit came VIN programmed and was truly plug-and-play, making installation straightforward without any hassle. The team kept me informed throughout the process and answered all my questions promptly. Overall, excellent quality and service that I would definitely recommend.
Paul Walker –
Fast shipping and the plug-and-play unit worked perfectly in my 2004 RAM 5.9L. Saved me a ton compared to dealer prices and the install was hassle-free.
Mark Barrett –
I was really impressed with how quickly this ECM arrived after I placed the order. The unit came fully programmed for my 2004 RAM Cummins, and it was truly plug-and-play — installation took me less than an hour. I had initially thought about going through the dealer, but the price here saved me a huge amount. Plus, the staff was easy to communicate with and answered all my questions promptly. Overall, this was a smooth and affordable solution that got my truck back on the road fast.
Neil Campbell –
I was really impressed with how smooth the whole process was. The ECM arrived quickly, and it was already VIN programmed, which saved me a ton of hassle. The communication from the seller was top-notch—they answered all my questions within hours and kept me updated throughout the shipping process. The free shipping was a nice bonus, especially since I needed this part fast to get my 2004 Ram back on the road. Installation was straightforward, and the truck runs better than ever. Highly recommend this product and seller!
Grant Peterson –
I was really impressed with how quickly the ECM arrived—fast shipping made a huge difference. The unit came VIN programmed and was truly plug-and-play, which made installation a breeze. Compared to dealership pricing, this service saved me a significant amount of money without compromising quality. Communication throughout the process was clear and professional, making the whole experience stress-free.
Brian Taylor –
Received my 2004 RAM ECM fully programmed and ready to go—setup was plug-and-play and the shipping was surprisingly fast and free. Communication was spot on, they answered all my questions quickly.
Scott Johnson –
I ordered the 20325231AH ECM for my 2004 RAM with the Cummins 5.9L, and I was really impressed by how smooth the entire process was. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was their professional programming service—they had my VIN perfectly programmed and ready to go right out of the box. Installation was straightforward, and my truck has been running flawlessly since. The seller also kept me informed every step of the way, which gave me a lot of confidence in the purchase. Overall, a great experience from start to finish.