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
Ian Chapman –
I recently purchased the 20325233AG ECM for my 2004 Ram 5.9L Cummins, and I couldn’t be happier with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out was that the ECU came VIN programmed and ready to install, so I didn’t have to worry about complicated setup or additional costs. The truck fired right up and runs better than it has in years. Customer support kept me in the loop throughout the entire process, answering my questions promptly and putting my mind at ease.
Ethan Bell –
Fast shipping and the VIN programmed ECM fit perfectly in my 2004 Cummins—couldn’t be happier with the plug-and-play setup.
Carlos Gray –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 Ram 5.9L—super easy plug-and-play installation. Communication was spot on, and they kept me updated every step of the way.
Liam Ward –
I was really impressed with the service I received when ordering the 20325233AG ECM for my 2004 RAM Cummins. The unit arrived quickly, and what really stood out was how it came VIN programmed and ready to install, which saved me a lot of time and hassle. The shipping was free, which was a nice bonus on top of the reasonable price. Throughout the process, the seller kept me informed about the status of my order, so I always knew what to expect. After installation, my truck started right up with no issues, and the performance feels solid. I’d definitely recommend this seller to anyone needing a reliable replacement ECU.
Trevor Miles –
I was really impressed with how quickly this ECM arrived—the shipping was much faster than I expected. The unit came perfectly VIN programmed and was completely plug-and-play, which made installation incredibly straightforward. I’m not very experienced with truck electronics, but the instructions were clear and the process went smoothly. Compared to the dealer’s quote, this service saved me a ton of money without sacrificing quality. The communication throughout the order was professional and responsive, so I felt confident every step of the way. Overall, a great experience that got my 2004 RAM Cummins running like new again.
Neil Roberts –
I ordered the 20325233AG ECM for my 2004 Ram Cummins and was really impressed by how smooth the whole process was. The ECU came VIN programmed and ready to install, which saved me a ton of time and hassle. Shipping was free and arrived quicker than expected. Their team was also very responsive when I had a couple of questions before ordering.
Marcus Lopez –
I’m really impressed with this 20325233AG ECM for my 2004 RAM Cummins. The unit arrived quickly and was truly plug-and-play, which made installation straightforward and hassle-free. The whole process was much smoother than I expected, and the customer service was very helpful with quick responses. Choosing this over the dealer’s option saved me a significant amount of money without compromising quality.
Eric Edwards –
The shipping was super fast, the unit was plug-and-play, and the professional service saved me a ton compared to dealer prices. Installation went smoothly with zero hassle.