Description
2004 Chevrolet Cavalier 2.2L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Chevrolet Cavalier 2.2L 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
Hunter Taylor –
I purchased the programmed ECM for my 2004 Chevrolet Cavalier, and the whole process was seamless. The plug-and-play setup made installation straightforward, saving me a lot of hassle. Shipping was also very reasonable, arriving quicker than I expected. Overall, the quality of the unit exceeded my expectations, and my car runs smoothly now.
Frank Poole –
I had a great experience ordering the 2004 Chevrolet Cavalier ECM from this seller. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out to me was the professional VIN programming they did ahead of time, so it was truly a plug-and-play replacement. Installation was straightforward and my car fired right up without any issues. The whole process was smooth, and the quality of the ECM feels solid. I’m very satisfied with this purchase and would definitely recommend them to anyone needing a reliable ECU.
Ryan Miles –
The programming service was flawless, and the free shipping made the whole process super easy. Highly recommend!