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





Jeremy Murray –
I purchased the 15235110AI ECM for my 2004 RAM 5.9L Cummins and was pleasantly surprised by how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. The programming was spot on, making installation straightforward and hassle-free. Customer service was also very responsive when I had a couple of questions, which gave me extra confidence in the purchase.
Sean Hayes –
I ordered the 15235110AI ECM for my 2004 RAM Cummins and was very impressed by the whole experience. The unit arrived quickly with free shipping, which was a nice bonus. It was already VIN programmed, so installation was straightforward and saved me a lot of hassle. The quality feels top-notch, and the truck runs smoother than it has in years.
Aaron Kelly –
The VIN programmed ECM arrived quickly with free shipping and worked perfectly in my 2004 Ram 5.9L Cummins. Excellent service and fast turnaround, highly recommended!
Allan Hudson –
I was a bit nervous about ordering an ECM online for my 2004 Ram with the Cummins engine, but this purchase exceeded my expectations. The unit arrived quickly with free shipping, which was a nice surprise, and it was already VIN programmed, so installation was straightforward. The seller kept me informed throughout the process and was very responsive when I had a couple of questions about compatibility. Once installed, my truck fired up without any issues, and it runs just like before. Overall, a smooth experience from start to finish, and I’d definitely buy from them again.
Noah Reed –
I needed a replacement ECM for my 2004 RAM with the 5.9L Cummins, and this unit from 15235110AI fit perfectly. The VIN programming was spot on, so installation was a breeze with no additional tuning required. What really impressed me was their quick and clear communication—they kept me informed every step of the way, which made the whole experience stress-free. Plus, the shipping was surprisingly fast and free, which was a huge bonus. My truck runs smoother than ever now, and I couldn’t be happier with the quality and service.
Marcus Miller –
Arrived quickly with free shipping, and the VIN programming was spot on—plug-and-play made installation a breeze!
Jacob Poole –
Fast shipping and the plug-and-play ECM worked perfectly right out of the box—saved me a ton compared to dealer prices. The installation went smoothly and the service team was very responsive.