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
Jonah Jenkins –
I’m really happy with the 20325233AJ ECM for my 2004 RAM Cummins. The shipping arrived sooner than expected, and the unit was truly plug-and-play, making installation straightforward with no hassle. The team communicated well throughout, and this solution saved me a significant amount compared to dealer pricing. Overall, a smooth experience from start to finish.
Connor Young –
Fast shipping and the plug-and-play setup made replacing my 2004 RAM’s ECM a breeze. Communication was also top-notch throughout the process.
Brandon Graham –
I was really impressed with how smooth the whole process was for this ECM replacement. The unit arrived quickly, and it came VIN programmed, so all I had to do was plug it in without any extra hassle. Their communication was top-notch—they kept me informed at every step and answered my questions right away, which made me feel confident in the purchase. The shipping was also very reasonable, which was a nice bonus. Since installing it, my 2004 Ram runs like new again, and I couldn’t be happier with the service and quality.
Dylan Lopez –
I ordered the 20325233AJ ECM for my 2004 RAM with the 5.9L Cummins, and I was really impressed with how smoothly everything went. The unit arrived quickly with free shipping, and it was already VIN programmed, so installation was hassle-free. The quality of the part feels solid, and the truck runs perfectly now. Communication was also great—they kept me updated every step of the way, which gave me peace of mind.
Caleb Gonzalez –
I was really impressed with the service I received when ordering the 20325233AJ ECM for my 2004 RAM Cummins. The unit arrived quickly, and what stood out most was how they had it fully VIN programmed before shipping, so it was truly a plug-and-play experience. I didn’t have to worry about any complicated setup or additional programming. The shipping cost was very reasonable, which was a nice bonus. Overall, the engine runs smoother than it has in years, and I’m glad I found a reliable source for this part. Communication was solid too—they kept me in the loop from purchase through delivery.
Jordan Nelson –
Fast shipping and the plug-and-play 20325233AJ fit my 2004 RAM perfectly, saving me a bundle over dealer prices. Installation was a breeze and their communication was top-notch.