Description
2007 Cadillac SRX 3.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2007 Cadillac SRX 3.6L 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



Jeremy Harrison –
I was pretty nervous about replacing the ECM on my 2007 Cadillac SRX, but this unit arrived quickly and was already VIN programmed, which made installation a breeze. The plug-and-play setup saved me a ton of time, and the engine started right up without any issues. I also appreciated the clear communication from the seller—they answered all my questions promptly and kept me informed throughout the shipping process. Overall, a smooth experience from start to finish, and my car runs better than it has in months. Highly recommend for anyone needing a reliable ECM replacement.
Trevor Young –
Received the programmed ECM quickly with free shipping, and it was a perfect fit for my 2007 Cadillac SRX. Great service and flawless plug-and-play setup!
Jorge Brown –
I was really impressed with how smoothly the whole process went. The PCM arrived quickly and was already VIN programmed, which made installation almost effortless. The seller kept me informed every step of the way and answered all my questions promptly, which gave me a lot of confidence. Shipping was free, so I didn’t have to worry about extra costs on top of the price. After swapping out the unit, my 2007 Cadillac SRX runs like new again—definitely worth it.
Nicholas Bell –
I purchased the 12581144 ECM for my 2007 Cadillac SRX and was really impressed with how smooth the entire process went. The PCM arrived quickly with free shipping, which made the whole experience even better. It was already VIN programmed and worked perfectly right out of the box, saving me a ton of hassle. The seller also kept me informed throughout, answering all my questions promptly.