Description
2004 GMC Savana 6.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 GMC Savana 6.0L 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



Spencer Harrison –
I was impressed with how smoothly the whole process went when I ordered the 2004 GMC Savana 6.0L ECM. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out was how well it was programmed for my VIN — it was truly a plug-and-play experience with no hiccups. The customer service team kept me in the loop every step of the way and answered all my questions promptly. After installation, my Savana runs like new again. Highly recommend this seller for anyone needing a reliable ECM replacement.
Ethan Adams –
I was really impressed with the service I received when ordering the 2004 GMC Savana 6.0L ECM. The part arrived quickly and the shipping cost was very reasonable, which I appreciated. What stood out most was how professional their programming service was; the ECU came perfectly VIN programmed and ready to install right out of the box. I had a few questions before ordering, and their team responded promptly with clear answers, making the whole process stress-free. After installation, my van ran smoother than ever. Definitely a reliable source for anyone needing quality ECM replacements.
Austin Green –
I purchased the 2004 GMC Savana 6.0L ECM and was really impressed with how smoothly everything went. The unit arrived quickly thanks to their reasonable shipping rates, and it was already VIN programmed, which saved me a lot of time. Their communication was excellent—they kept me informed at every step and answered all my questions promptly. The installation was straightforward and the engine runs perfectly now.
Robert Tucker –
Fast shipping and the ECU came perfectly programmed—plug and play with zero hassle. Highly recommend!