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
Jordan Scott –
I purchased the 20325253AI ECM for my 2004 Ram 5.9L Cummins and was really impressed by how quickly it arrived with free shipping. The unit was VIN programmed and ready to install, which made the whole process super straightforward. Their customer service answered all my questions promptly and kept me informed throughout. Overall, a great experience and my truck is running like new again.
Jorge Miller –
I was really impressed with the quality of this ECM for my 2004 RAM 5.9L Cummins. The unit arrived quickly with free shipping, which was a nice bonus. The plug-and-play setup made installation straightforward, and it was already VIN programmed, so I didn’t have to worry about any additional steps. Overall, it runs flawlessly and exceeded my expectations.
Paul Clark –
I’m really impressed with how quickly this ECM showed up after I ordered it, definitely faster than I expected. The unit came perfectly programmed for my 2004 RAM Cummins and was completely plug-and-play, making the installation straightforward and hassle-free. Choosing this option saved me a ton compared to dealer prices, and their customer service was responsive and helpful throughout the process. Overall, a smooth experience from start to finish that I’d recommend to anyone needing a reliable replacement.
Chase Morris –
I was really impressed with how smoothly everything went ordering this ECM for my 2004 Ram Cummins. The unit arrived quickly with free shipping, which was a nice bonus since I didn’t have to worry about extra fees. What stood out was the professional VIN programming they did before shipping, so it was basically plug-and-play once I got it. The truck fired right up with no issues, and I could tell the quality of the repair was top-notch. Definitely a hassle-free experience from start to finish.
Scott Parker –
I was really impressed with how smoothly everything went from start to finish. The ECM arrived quickly thanks to their very reasonable shipping costs, which was a relief since I needed it urgently. What stood out most was the plug-and-play setup—it literally took minutes to get it installed and running perfectly in my 2004 Ram with the 5.9L Cummins engine. The engine runs smoother than ever, and I didn’t have to worry about any complicated programming on my end. Overall, great product and service that I would recommend to anyone facing ECM issues.
Chase Chapman –
The ECU arrived quickly with free shipping and was already VIN programmed, making installation a breeze. Excellent communication throughout the process too!
Brian Payne –
Arrived quickly with free shipping and was perfectly programmed for my 2004 Ram 5.9L—worked like a charm right out of the box!
Andrew Turner –
The unit arrived quickly and was truly plug-and-play, saving me a bundle versus dealer prices. Installation was straightforward and the communication throughout was top-notch.
Paul Hayes –
I was really impressed with how quickly this ECM arrived—much faster than I expected. The unit was completely plug-and-play, so installation was straightforward and hassle-free. My 2004 Ram 5.9L fired right up without any issues, and I didn’t have to wait around for dealer programming or pay those outrageous fees. The team kept me updated throughout the process, which made the whole experience very reassuring. Overall, this purchase saved me a ton of money and headache, and I’d recommend it to anyone needing a reliable replacement ECM.