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
Brian Tucker –
Received the 20325253AB ECM for my 2004 RAM 5.9L Cummins, and the whole process was smooth from start to finish. The unit arrived quickly with free shipping, which was a nice bonus. What impressed me most was how they programmed the ECU specifically to my VIN, so installation was literally plug-and-play with no extra hassle. Definitely pleased with the quality and service.
Jonah Peterson –
I needed a replacement ECM for my 2004 RAM 5.9L Cummins, and this unit fit perfectly. The fact that it came VIN programmed saved me a ton of hassle—just plug and play, no extra trips to the shop. The shipping was surprisingly quick and didn’t cost an arm and a leg, which I really appreciated. Customer service was responsive and kept me updated throughout the process, so I felt confident my order was handled right. After installation, my truck runs smoother than before, so I’m very happy with the quality and ease of this purchase.
Scott Howard –
Got my ECM for my 2004 RAM super fast, and it was plug-and-play with zero hassle. Saved me a ton compared to dealer prices and the customer support was top-notch.
Scott Burton –
I needed a replacement ECM for my 2004 Ram with the 5.9L Cummins, and this unit worked perfectly right out of the box. The VIN programming was spot on, so installation was straightforward and hassle-free. Shipping was surprisingly fast and affordable, which was a nice bonus. The seller also kept me informed throughout the process, making the whole experience smooth and reassuring.
Neil Lewis –
The ECU arrived quickly with free shipping, and the plug-and-play setup made installation a breeze. Great service and flawless performance!
Zachary Peterson –
Fast shipping and the VIN programming was spot on—installed with zero hassle and runs perfectly.
They answered all my questions quickly and the plug-and-play setup made replacing my ECM a breeze.
Super impressed with the professional programming service and how smoothly the unit works in my 2004 Cummins.
Reasonable shipping cost and the quality of this ECM is top-notch, it’s like getting a brand new truck.
Great communication throughout the process and the fast turnaround meant my truck was back on the road in no time.