Description
2004 GMC Savana 5.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 GMC Savana 5.3L 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



Henry Rivera –
I purchased the 2004 GMC Savana 5.3L ECM from this seller and was impressed by how smooth the entire process was. The unit arrived quickly with free shipping, which was a nice bonus. They handled the VIN programming professionally, so it was ready to install right out of the box. Whenever I had questions, their team responded promptly and kept me updated throughout the order.
Shane Adams –
Fast shipping and the unit was truly plug-and-play—saved me a ton versus the dealer. Installation went smoothly and the team was professional throughout.
John Smith –
I was really impressed with how smoothly everything went with this ECM for my 2004 GMC Savana. The VIN was already programmed, so I didn’t have to worry about any complicated setup—just plug and play. Shipping was super reasonable, which was a nice bonus. The quality of the unit feels solid, and my van has been running perfectly since I installed it. I also appreciated that the seller kept me updated throughout the process, making the whole experience stress-free. Definitely would buy from them again if needed.
Brian Payne –
I was really impressed with how smooth the whole process was when ordering the 2004 GMC Savana 5.3L ECM. The unit arrived quickly, and the fact that it came VIN programmed saved me a ton of time. Shipping was free, which was a nice bonus considering the size of the part. I had a few questions before ordering, and their customer service responded promptly and clearly. Everything plugged in perfectly, and my van is running like new again.
Owen Marshall –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 Savana—super easy plug-and-play setup.