Description
2012 Subaru Legacy 3.6L AT gas ECM / ECU VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Subaru Legacy 3.6L AT gas 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
Zachary Hamilton –
I purchased the 2012 Subaru Legacy 3.6L AT ECM and was really impressed with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. What stood out was the plug-and-play setup—once installed, the car fired right up with no issues. The whole process saved me a lot of time and hassle compared to dealing with a dealership.
Zachary Miles –
I was really impressed with how quickly the ECM arrived after placing my order, and it was completely plug-and-play right out of the box. The installation went smoothly without any issues, and the updated programming worked perfectly with my 2012 Subaru Legacy. Compared to dealer prices, this purchase saved me a significant amount of money. Plus, the seller was very responsive and made sure I had all the information I needed throughout the process.
Harvey Lewis –
The ECM arrived quickly and was truly plug-and-play—installation was a breeze, and I saved a fortune compared to dealer prices. Great communication and super professional service throughout.
Aaron Cooper –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2012 Subaru Legacy—plug-and-play setup made installation hassle-free.