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
Blake Barrett –
The VIN programmed ECM arrived fast and was ready to install with no hassle—plus, the free shipping was a great bonus.
Super smooth experience with their plug-and-play setup and quick responses to all my questions made this purchase stress-free.
Fast turnaround and excellent communication throughout the process; my 2004 Cummins is running perfectly again.
Great quality ECM with professional programming service included, and shipping was surprisingly affordable for such a heavy part.
They kept me updated at every step, and the updated PCM fit my truck perfectly—highly recommend!
Leo Torres –
I needed a replacement ECM for my 2004 RAM with the 5.9L Cummins, and this unit was exactly what I was looking for. The fact that they provide professional VIN programming made the install hassle-free—just plug and play, no extra trips to the shop. Shipping was surprisingly quick and affordable, which really helped since I was on a tight schedule. I also appreciated how responsive their customer service was when I had a couple of questions before ordering. Overall, this was a smooth experience and my truck runs perfectly now.
Allan Adams –
I bought the 20325251AF ECM for my 2004 RAM Cummins, and it fit perfectly with the VIN programming already done. The plug-and-play setup made installation hassle-free, and the engine has been running smoothly since. Shipping was surprisingly quick and affordable, which was a nice bonus. I appreciated how they kept me informed throughout the process, making the whole experience stress-free.
Brian Brown –
I ordered the 20325251AF ECM for my 2004 RAM Cummins, and the entire process was smooth from start to finish. The unit arrived quickly with free shipping, which was a pleasant surprise. They also did a fantastic job with the VIN programming, so it was truly plug-and-play when I installed it. Communication was clear throughout, and they answered all my questions promptly, making me feel confident in my purchase.
Tyler Payne –
I’m really happy with this ECM for my 2004 RAM 5.9L Cummins. The unit arrived quickly and was a direct plug-and-play fit, which made installation really straightforward. The seller communicated promptly and professionally throughout the process, and the VIN programming was spot on. This saved me a ton compared to getting a replacement from the dealer.
Oliver Richardson –
Arrived fast and was truly plug-and-play. Saved me a bundle compared to dealer prices and the install went without any hassle.
Super quick shipping and the unit worked perfectly right out of the box. The savings versus the dealer were huge and the whole process was smooth and professional.
Got my ECM fast, plugged it in, and it fired right up. This service was a lifesaver for my budget compared to dealer costs.
Fast delivery and a flawless plug-and-play experience. Installing this ECU saved me so much money and the team’s communication was spot on.
Shipping was speedy and setup couldn’t have been easier. Definitely saved big bucks over the dealer and the install was straightforward.
Shane Marshall –
Super impressed with the quick turnaround and VIN programmed perfectly for my 2004 RAM Cummins. The plug-and-play setup made installation a breeze!