Description
2012 Toyota Tundra 4.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Toyota Tundra 4.0L 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 require key programming after installation. This is normal.
For a 100% plug-and-play solution, we recommend using our full cloning service. We transfer all security data to the replacement unit.
A prepaid shipping label will be emailed to you. Allow you to mail in your original computer to us for full cloning.
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



Caleb Hamilton –
I was really impressed with how smooth the process was for the 2012 Toyota Tundra ECM. The unit arrived quickly with free shipping, which was a nice bonus. They handled the VIN programming professionally, so it was truly plug-and-play with no issues. Communication was on point too; they kept me posted throughout, which gave me confidence in my purchase.
Sean Hudson –
I ordered the programmed ECM for my 2012 Toyota Tundra, and I couldn’t be happier with the experience. The unit arrived quickly with free shipping, which was a nice surprise. Installation was straightforward thanks to their plug-and-play setup, and the truck fired right up without any issues. What impressed me most was how the team kept me updated throughout the process, answering all my questions promptly. It’s rare to find such reliable service combined with quality parts these days. Definitely a five-star experience from start to finish.
Max Barrett –
The ECU arrived quickly with reasonable shipping, and the plug-and-play setup made installation a breeze. Excellent service from start to finish!