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
Brian Cox –
Received my programmed ECM quickly with free shipping, and it fit perfectly—truck runs like new again. Communication was spot on when I had questions, making the whole process smooth and easy.
Oliver Hayes –
The ECM arrived quickly with free shipping, and the plug-and-play setup was flawless—my truck runs like new. Customer service was super responsive, which made the whole process easy.
Gavin Baker –
I purchased the 20325231AM ECM for my 2004 RAM Cummins and was really impressed with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus, and it was already VIN programmed for my truck, so installation was straightforward. The quality of the part feels solid, and the engine runs perfectly now without any issues. Customer service was also very helpful and answered all my questions promptly throughout the process.
Matthew Hamilton –
I was impressed with how quickly this ECM arrived, especially with the free shipping included. The unit came perfectly programmed to my VIN, so installation was completely hassle-free. The communication from the seller was excellent—they answered all my questions promptly, which gave me confidence throughout the process. Overall, a smooth experience from purchase to running my 2004 Cummins again.
Frank Murphy –
Fast shipping and the unit was truly plug-and-play. Saved me a ton over dealer prices and installation went off without a hitch.
Dylan Reed –
I was a bit nervous ordering an ECM online, but this unit arrived quicker than I expected and was already VIN programmed, which saved me a ton of hassle. The plug-and-play setup made installation smooth, and my 2004 Ram with the Cummins 5.9L fired right up without any issues. I also appreciated how the seller kept me in the loop throughout the entire process, answering my questions promptly. Overall, the repair quality feels top-notch, and I’m really happy with the service and product. Definitely a reliable source if you need an ECU replacement.