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





Leo Ward –
I ordered this ECM for my 2012 Volkswagen Jetta and was really impressed with the entire process. The unit arrived quickly with free shipping, which was a nice bonus. They provided professional VIN programming, so it was basically a plug-and-play swap with no issues. Customer support was great too, answering all my questions promptly and keeping me informed throughout.
Max Watson –
I was a bit nervous about ordering an ECM online, but this 2012 Volkswagen Jetta 2.0L diesel ECU arrived exactly as described and was already VIN programmed, which saved me a ton of time. The setup was pretty much plug-and-play, and my car fired up immediately without any hiccups. Shipping was surprisingly quick and very reasonably priced, which made the whole experience even better. I also appreciated the professional communication—they kept me in the loop from purchase through delivery. Overall, this was a smooth and hassle-free replacement that got my Jetta back on the road fast.
Benjamin Gray –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2012 Jetta—no hassle at all. Their team answered all my questions promptly, making the whole process smooth.
Caleb Peterson –
I was really impressed with the service from start to finish. The ECU arrived quickly and was already programmed to my 2012 Volkswagen Jetta’s VIN, so installation was straightforward and hassle-free. Their customer support was excellent—they promptly answered my questions and kept me updated throughout the entire process. Shipping was surprisingly affordable, which was a nice bonus. Overall, the quality of the ECM and the professionalism of the team made this a smooth experience. I’d definitely recommend them to anyone needing a reliable replacement part.