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
Travis Murray –
I’m really impressed with this ECM for my 2004 RAM 5.9L Cummins. The unit arrived quickly, which was a huge relief since I needed it fast. It was truly plug-and-play, making the installation straightforward without any headaches. Choosing this over the dealer’s option saved me a significant amount of money, and the communication from the seller was professional and timely throughout the process.
Logan Foster –
I needed a replacement ECM for my 2004 Ram with the Cummins 5.9L, and this unit fit perfectly right out of the box. The seller provided professional VIN programming, so I didn’t have to worry about any complicated setup. Shipping was surprisingly quick and reasonably priced, which was a huge relief since I needed my truck back on the road as soon as possible. Their team also kept me informed throughout the entire process, answering my questions promptly. Overall, it was a smooth experience from purchase to installation, and the engine runs flawlessly now.
Daniel Wright –
I purchased the 20325231AN ECM for my 2004 RAM Cummins and was really impressed with the smooth plug-and-play setup. The unit arrived quickly with very reasonable shipping costs, which was a nice surprise. Customer service was also outstanding—they answered all my questions promptly and kept me updated throughout the process. Overall, the engine runs great now, and I’m very happy with the quality of the product and service.
Trevor Baker –
Received my 2004 RAM ECM fully programmed and ready to plug in—fast shipping and flawless performance. The communication was top-notch throughout the process.
Andrew Cox –
Shipping was super quick and the ECM was truly plug-and-play. Saved me a ton compared to dealer prices, and the install went without a hitch.
Fast shipping and the unit fit perfectly right out of the box. Great service that helped me avoid dealer fees and get back on the road fast.
The ECM arrived quickly and worked instantly with no issues. Definitely saved a lot over dealership repairs, plus the support was excellent throughout.
Quick delivery and an exact plug-and-play fit made installation effortless. The price was far better than the dealer, and the whole process was smooth.
Got my ECM fast, and it was ready to go right away. The professional service saved me a bunch compared to dealer quotes—highly recommend.