Description
2004 Chevrolet Colorado 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Chevrolet Colorado 3.5L 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
Andrew Barrett –
Got my 2004 Colorado ECM quickly with free shipping, and it was perfectly programmed—truck runs like new.
The plug-and-play setup was flawless, and their team answered all my questions faster than I expected.
Excellent communication throughout the process, and the updated ECM fixed my truck’s issues without a hitch.
Fast turnaround and the programmed PCM arrived ready to go; shipping was super reasonable too.
The quality of this ECU is impressive, and they made the entire process smooth with clear updates along the way.
Hunter Allen –
Got my 2004 Chevy Colorado ECM quickly shipped and it was completely plug-and-play. Saved a bundle compared to dealer pricing, and installation was a breeze thanks to their clear communication.