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 for a true plug-and-play installation with our cloning service.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS require key programming after installation. This is normal.
For a 100% plug-and-play solution, we recommend using our full cloning service. We transfer all security data to the replacement unit.
A prepaid shipping label will be emailed to you. Allow you to mail in your original computer to us for full cloning.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Bruce Gray –
I needed a replacement ECM for my 2004 RAM with the Cummins engine, and this unit worked perfectly. The VIN was already programmed, so installation was straightforward and saved me a lot of hassle. Shipping was very reasonable, and the seller kept me informed throughout the process. Overall, I’m very satisfied with the quality and service.
Neil Kelly –
Fast shipping and the ECU arrived perfectly programmed for my 2004 Ram Cummins—plug-and-play was exactly as promised.
Matthew Ramirez –
Great quality ECM with VIN programmed perfectly—super fast shipping and hassle-free plug-and-play installation.
Frank Poole –
I purchased the 15305153AH ECM for my 2004 RAM Cummins, and the whole experience was smooth from start to finish. The unit arrived quickly with free shipping, which was a nice bonus. It came VIN programmed and ready to install, so no extra setup was needed on my end. Their customer support was very responsive and helped answer a couple of questions I had before ordering, which gave me confidence in the purchase.