Description
2012 Toyota FJ Cruiser 4.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Toyota FJ Cruiser 4.0L models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Scott Sharp –
I was really impressed with how smoothly the programming service went for my 2012 Toyota FJ Cruiser’s ECM. The unit arrived quickly with free shipping, and the plug-and-play setup worked perfectly without any issues. The communication was top-notch too; they kept me informed every step of the way, which gave me peace of mind. Overall, the quality of the ECM is excellent and my truck runs like new again.
Travis Reynolds –
I needed a replacement ECM for my 2012 FJ Cruiser and this unit was exactly what I was looking for. What impressed me most was how they offered free shipping, which made the whole process really budget-friendly. The ECU arrived quickly and came VIN programmed, so installation was straightforward without any extra hassle. Their team was also quick to respond when I had a few questions about compatibility, which gave me peace of mind. After installation, my truck runs smoothly again, just like new. I’m really happy with how seamless everything turned out.
Chris Kelly –
The ECU arrived quickly with free shipping and worked perfectly right out of the box—super smooth plug-and-play setup. The team was very responsive and made the whole process hassle-free.
Steven Payne –
Fast shipping and a plug-and-play unit made swapping my 2012 FJ Cruiser’s ECU a breeze. Saved a ton versus dealer prices and the communication was spot on.