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
Steven Morgan –
I was in a bind when my 2004 RAM’s ECM went bad, and I didn’t want to deal with the dealership’s outrageous prices. This unit showed up super fast, and it was truly plug-and-play—no complicated programming needed on my end. Installing it was straightforward, and the truck fired right up without any issues. The communication from the seller was clear and helpful throughout the process, which made me feel confident in the purchase. Overall, this saved me a ton of money and hassle, and I couldn’t be happier with how smoothly everything went.
Aiden Rivera –
Got my ECM quickly with free shipping, and it was perfectly programmed for my 2004 Ram 5.9L — super easy plug-and-play installation. Customer support was responsive and kept me informed every step of the way.
Adam Jenkins –
I purchased the 15235133AH ECM for my 2004 RAM with the Cummins 5.9L, and I’m very satisfied with the whole experience. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out was the professional programming service they offered—my truck started right up without any troubleshooting. Communication was clear throughout, and they kept me informed every step of the way.
Keith Collins –
I was really impressed with how quickly the ECM arrived—shipping was faster than I expected. The unit was plug-and-play, which made the installation process smooth and hassle-free. Compared to dealer prices, this service saved me a significant amount of money, and the team kept me informed every step of the way. Overall, a professional experience that I would recommend to anyone needing a replacement for their 2004 Ram Cummins.
Gavin Baker –
Fast shipping and plug-and-play setup made this ECM swap a breeze, saving me a ton compared to dealer prices. Communication was clear and the installation went smoothly.