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
Harvey Jenkins –
Fast shipping and plug-and-play setup made installing this ECM a breeze. Great quality and exactly what my 2004 Ram needed!
Cameron Phillips –
Received the ECM quickly, super easy plug-and-play install, and it saved me a ton over dealer prices—great communication throughout the process.
Eric Graham –
I was impressed with how quickly the ECM arrived and the fact that it came already VIN programmed, which saved me a lot of hassle. The shipping was free and fast, so I didn’t have to wait long to get my truck back on the road. Their team also responded promptly to my questions and kept me informed throughout the process, making the whole experience smooth and stress-free. The quality of the unit feels top-notch, and my Cummins runs perfectly now.
Allan Bailey –
I was impressed with how quickly my 2004 RAM 5.9L ECM arrived, and the free shipping was a nice bonus. The unit was already VIN programmed, so installation was straightforward and hassle-free. The communication from the seller was excellent—they kept me informed every step of the way and answered all my questions promptly. Overall, a smooth experience and a quality product that got my truck running perfectly again.
Gavin Adams –
Super impressed with the fast turnaround and seamless plug-and-play setup — truck runs like new! Shipping was quick and free, which was a great bonus.
Brian Willis –
I was really impressed with how quickly this ECM arrived after I placed my order. Installing it in my 2004 RAM with the Cummins 5.9L was straightforward since it was plug-and-play right out of the box—no complicated programming needed on my end. The communication from the seller was clear and professional throughout, which gave me confidence in the process. Compared to the hefty price tag my dealer quoted me, this was a huge money saver without sacrificing quality. Everything worked perfectly once installed, and my truck runs smoother than it has in years. Overall, a fantastic experience that I’d recommend to anyone looking for a reliable ECM replacement.
Ian King –
I was really impressed with how quickly the ECM arrived, especially with free shipping included. It was already VIN programmed, so installation was straightforward and hassle-free. The truck fired up right away, and I’ve noticed a smoother idle and better overall performance since the swap. The support team was great too—they answered all my questions promptly, which made me feel confident in what I was doing. Definitely a solid upgrade for my 2004 Cummins.
Dylan Parker –
The ordering process was straightforward, and the shipping arrived much quicker than I expected. The 15235133AB ECM came perfectly programmed and was truly plug-and-play, making installation hassle-free. Choosing this service saved me a ton compared to dealer prices, and their team was very responsive throughout. Overall, a smooth experience from start to finish.