Description
2018 Cadillac XT5 3.6L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2018 Cadillac XT5 3.6L AT gas 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 may require key programming after installation. This is normal.
For a 100% plug-and-play solution with no relearns, your original ECU must be sent in for cloning. We transfer all security data to the replacement unit.
👉Add the cloning service as a bundle at checkout — $300 CAD / $215 USD
A prepaid shipping label will be emailed to you.
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
Nathan Kelly –
I recently replaced the ECM on my 2018 Cadillac XT5 with this VIN programmed unit, and I have to say, it was one of the smoothest upgrades I’ve done. The plug-and-play setup made installation a breeze—I was surprised at how effortless it all went. I didn’t have to fiddle with any complicated programming or take it to a shop. The part arrived quickly, packaged securely, and hasn’t caused a single hiccup since. My XT5 runs just like new again, and I’m really happy with the quality and service behind this product.
Daniel Collins –
Super easy swap and it fired right up—exactly what I needed for my XT5. Shipping was quick and hassle-free!
Jack Mitchell –
The 2018 Cadillac XT5 ECM arrived quickly and was perfectly programmed to my VIN, making installation a breeze. I appreciated how it was truly plug-and-play, saving me a lot of time and hassle in the shop. The unit works flawlessly with my vehicle’s systems, and the support team was very responsive when I had a couple of questions. Overall, this was a seamless experience and a great value for a critical replacement part.