Description
2018 GMC Terrain 1.6L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2018 GMC Terrain 1.6L 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
Dylan Stewart –
Arrived quickly and installed without a hitch—exactly what I needed for my 2018 Terrain. Highly recommend!
Perfect fit and worked right out of the box, saved me a ton of time and hassle. Great product!
Super smooth install, and the vehicle runs great now. Shipping was fast, and the unit was spot on.
No complications, just plug and go as promised. This ECM/ECU made fixing my GMC Terrain a breeze.
Had a question during installation and their support team was spot on with the help. Very happy with this purchase!