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
Paul Lewis –
I was a bit nervous about ordering an ECM online for my 2004 Ram Cummins, but this purchase exceeded my expectations. The part arrived quickly with free shipping, which was a nice bonus. What really impressed me was the plug-and-play setup—everything was already VIN programmed, so installation was a breeze. The truck fired right up and runs smoother than ever. Communication from the seller was spot on, they kept me informed every step of the way. Definitely a reliable source if you need a quality ECM.
Matthew Lopez –
Fast shipping and the ECU arrived perfectly VIN programmed—plug and play made the install a breeze.
Great communication throughout the process, and the ECM was updated exactly as promised, couldn’t ask for more.
Received my unit quickly with free shipping, and the programming was spot on, got my Cummins running smooth again.
Professional programming service with fast turnaround; had my 2004 RAM back on the road in no time!
They answered all my questions right away, and the PCM was ready to go out of the box with no hassle.
Cooper King –
I purchased the 20325253AG ECM for my 2004 Ram 5.9L Cummins and was very impressed with the smooth experience. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was that it came fully VIN programmed, so installation was completely plug-and-play. The truck fired up right away, and everything runs perfectly now—definitely worth it.
Dean Ward –
Fast shipping and the plug-and-play unit worked perfectly in my 2004 Ram 5.9L. Saved me a ton compared to dealer prices and the installation was super smooth.