Description
2012 Volkswagen Jetta 2.0L MT diesel ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Volkswagen Jetta 2.0L MT diesel 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



Jason Rogers –
Great quality ECM for my 2012 Jetta—arrived quickly with free shipping and was ready to plug in with no hassle.
Marcus Adams –
I purchased the 2012 Volkswagen Jetta 2.0L MT diesel ECU and was really impressed by how quickly it arrived with free shipping included. The unit came VIN programmed and ready to go, which made installation straightforward without any extra hassle. The team was also very responsive and answered all my questions promptly, making the whole experience smooth and reassuring. Overall, the quality of the ECU matched my expectations perfectly, and my car runs like new again.
Dean Keller –
I was a bit nervous ordering an ECU online, but this 2012 Volkswagen Jetta 2.0L MT diesel ECM came VIN programmed and ready to go, which made installation a breeze. The whole process was incredibly smooth thanks to their professional programming service—they made sure everything matched perfectly with my car. Shipping was free and surprisingly fast, arriving before I expected. They also kept me in the loop with updates, which I really appreciated. After installing, my Jetta runs like new again with no error codes. Highly recommend if you want a hassle-free fix!