Description
2012 Toyota Tundra 4.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Toyota Tundra 4.6L 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:
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
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
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 — $200 CAD / $140 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
Chris Gonzalez –
Swapped out my old ECM with this one and it fired right up—super easy install and the delivery was quicker than expected. Highly recommend for anyone needing a reliable replacement!
James Brown –
I ordered the 2012 Toyota Tundra 4.6L ECM fully VIN programmed, and it arrived faster than expected. Installation was straightforward since it truly was a plug-and-play unit—no complicated setup or extra tuning needed. After swapping it in, my truck fired right up and runs smoothly with no error codes. Definitely a reliable choice if you need a replacement ECM without the usual headaches.
Aiden Bell –
I was a bit nervous about replacing the ECM on my 2012 Toyota Tundra, but this unit made the whole process surprisingly simple. It arrived quicker than I expected, well-packaged, and ready to go right out of the box. After hooking it up, the truck fired right up with no issues—no complicated programming needed on my end since it was already VIN programmed. It’s been running perfectly ever since, and I’m really impressed with how seamless the swap was. Definitely recommend this for anyone needing a reliable replacement without the headache.