Description
2012 GMC Acadia 3.6L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 GMC Acadia 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
Jorge Baker –
I ordered this ECM for my 2012 GMC Acadia and was honestly a bit nervous about the install, but it went smoothly without any hiccups. The unit was already programmed to my VIN, so I just plugged it in and everything fired right up—no need to mess with complicated setups. Shipping was pretty quick too, which was a nice surprise. After swapping the module, my vehicle runs flawlessly again, no warning lights or glitches. Definitely saved me a ton of time and a trip to the dealership. Highly recommend this if you want a hassle-free replacement.
Jorge Gonzalez –
Perfect fit for my 2012 Acadia and arrived super quick—installed in minutes with zero hassle.
This ECM worked flawlessly right out of the box, making the whole replacement stress-free.
Great product with seamless VIN programming; had my GMC running like new again in no time.
Saved me a ton on repairs, and the plug-and-play setup was exactly as promised—highly recommend!
Fast delivery and a smooth install made this ECM a no-brainer purchase for my Acadia.
Luis Cooper –
I was a bit nervous about ordering an ECU online, but this 2012 GMC Acadia 3.6L ECM arrived quickly and was exactly what my mechanic needed. It was already VIN programmed, so installation was straightforward and didn’t require any extra trips to the dealership. After swapping it out, my truck fired up right away and runs smoother than before. The whole process saved me a lot of time and hassle, and I appreciate how hassle-free this was from start to finish. Definitely a reliable source for anyone needing a plug-and-play solution.
Anthony Roberts –
This ECM for my 2012 GMC Acadia was exactly what I needed. It arrived quicker than I expected and was already programmed to my VIN, so installation was straightforward without any extra hassle. It fit perfectly and my vehicle fired right up with no issues. Definitely a reliable solution if you want a smooth, plug-and-play experience.