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
John Parker –
I ordered the 20325233AF ECM for my 2004 RAM Cummins, and the whole process was straightforward thanks to their professional VIN programming service. The unit arrived quickly with free shipping, which was a nice bonus. Their team kept me informed at every step, answering my questions promptly. The ECU fit perfectly and my truck runs like new again.
Travis Stewart –
I was really impressed with how smoothly the whole process went. The ECM arrived quickly with free shipping, which was a nice surprise. The unit was already VIN programmed, so installing it was plug-and-play without any hassle. Their customer service was outstanding—they kept me informed every step of the way and answered my questions promptly. Since swapping the ECM, my truck runs better than it has in years. Highly recommend this seller for anyone needing a reliable ECM replacement.
Luis Turner –
I needed a replacement ECM for my 2004 RAM Cummins and was pleasantly surprised by how smooth the entire process went. The unit arrived quickly with free shipping, which saved me a bit of money right off the bat. What really stood out was how it came VIN programmed and ready to install — no extra hassle or trips to the mechanic. After swapping it in, my truck fired up immediately and runs better than it has in years. The quality of this ECM is impressive, and I’m glad I found a seller who makes things so straightforward.
Diego Chapman –
Super fast shipping and this ECM was truly plug-and-play. Saved me a bundle versus the dealer and installation was a breeze.
Blake Morris –
I bought the 20325233AF ECM for my 2004 RAM Cummins and was really impressed with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. The plug-and-play setup made installation straightforward, and my truck fired right up without any issues. The customer service team also answered all my questions promptly, making the whole process stress-free.
Colin Evans –
I was really impressed with how quickly this ECM arrived and how simple it was to install—just plug-and-play with no hassle. The VIN was already programmed perfectly, which saved me a ton compared to dealer prices. Communication was clear throughout the process, and the whole experience felt very professional. Everything worked flawlessly right out of the box.
Trevor Hill –
Fast shipping and the VIN programming was spot on—my Ram runs like new again. Customer service answered all my questions quickly, making the whole process smooth.
Austin Evans –
Super fast shipping and the plug-and-play setup made swapping my 5.9L ECM effortless—highly recommend!