Description
2018 Cadillac XT5 3.6L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2018 Cadillac XT5 3.6L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with no dealer visit required.
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:
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Complete communication & CAN-bus verification
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Sensor input/output and signal integrity checks
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Injector & ignition pulse simulation
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Power, ground, and load-circuit analysis
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Flash memory integrity and checksum validation
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Thermal and voltage-stress testing to confirm reliability
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
Important Note
Some vehicles equipped with IMMO (Immobilizer) or PATS (Passive Anti-Theft System) may require additional key programming after installation. This is normal for models where security data must be synchronized with the vehicle’s body control system.
For a 100% plug-and-play solution with no relearns, no key programming, and no compatibility issues, we recommend our ECU Cloning Service, which transfers all original security, immobilizer, and configuration data directly into the replacement unit.
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.