Description
2012 Nissan Altima 2.5L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Nissan Altima 2.5L 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




Kevin Sanders –
I was really impressed with how smoothly everything went when I ordered the ECM for my 2012 Nissan Altima 2.5L. The plug-and-play setup made installation straightforward, and it was nice not having to worry about programming it myself. Shipping was free and arrived quicker than I expected, which was a huge plus since I needed my car back on the road fast. The team was also very responsive when I had a couple of questions before buying, so I felt well taken care of. After swapping out the unit, my car runs like new again—definitely a great experience overall.
Kyle Young –
The 2012 Nissan Altima 2.5L ECM arrived quickly and was exactly as described, fully programmed to my VIN. Installation was straightforward, with no complicated wiring or reprogramming needed on my end. After swapping it out, my car started up immediately and has been running smoothly ever since. Definitely a reliable replacement that saved me a lot of hassle.
Samuel Miller –
I purchased the 2012 Nissan Altima 2.5L ECM from this seller, and the plug-and-play setup made the installation so straightforward. The unit arrived quickly with free shipping, which was a nice bonus. They also kept me informed throughout the process, answering my questions promptly. Overall, the quality of the ECU exceeded my expectations, and my car runs perfectly now.
Blake Reed –
I was really impressed with how smooth the whole process was from start to finish. The 2012 Nissan Altima ECM came already VIN programmed, so installation was truly plug and play—no headaches or extra trips to the shop. Shipping was surprisingly fast and affordable, which was a big plus for me. The quality of the part feels just like OEM, and my car is running perfectly again. They also kept me informed every step of the way, answering my questions promptly, which gave me a lot of confidence in the purchase. Overall, a great experience and highly recommend if you need this part.
Ryan Payne –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. I had my Altima running smoothly in no time!
Mason Hall –
This ECM was a perfect fit and arrived super fast—installed it myself with zero hassle, totally plug-and-play. Great quality and exactly what my Altima needed!