Description
2019 Audi S3 2.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Audi S3 2.0L 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



Paul Brooks –
Received the ECU quickly and everything was exactly as described. The module was fully programmed to my VIN, so installation was a breeze—just plug and go with no extra setup needed. My Audi runs smoother than ever, and I’m really impressed with how seamless the whole process was. Customer support was helpful and responsive, making this purchase worry-free.
Scott Richardson –
Installed the ECU in my 2019 Audi S3 with zero hiccups — shipped quickly and worked perfectly right out of the box. Highly recommend!
Super easy swap, and the VIN programming meant no issues starting up. Fast delivery and smooth experience all around.
Exactly what I needed for my S3. The plug-and-play setup saved me a ton of time, and the car runs flawlessly now.
Got this ECM for my Audi S3 and it was spot on—no fuss installation and the car feels great. Shipping was quick too!
Plugged this in, and my 2019 S3 fired up like new. Professional support was a bonus when I had a quick question.
Brian Clark –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2019 Audi S3—plug-and-play setup made installation a breeze.
Great service with fast turnaround and excellent communication; they answered all my questions right away.
Super impressed with the professional programming service—my car runs like new again without any hassle.
Cameron Morris –
I recently purchased the 2019 Audi S3 2.0L ECM and was honestly impressed by how smooth the whole experience went. From ordering to delivery, everything was quick and hassle-free. When I installed the unit, it truly was plug and play—no unexpected hiccups or additional programming needed on my end. The car fired up immediately with no warning lights, and performance felt spot on. Having tech support available to double-check a couple of details gave me extra peace of mind. Overall, this replacement ECM lived up to my expectations and made the swap straightforward.
Anthony Roberts –
I was a bit nervous about swapping out my Audi’s ECM myself, but this 2019 Audi S3 2.0L unit made the process so simple. It arrived exactly as described and was already programmed for my VIN, which saved me a ton of time. Installation was straightforward—I just plugged it in and everything fired right up without a hitch. The car runs smoother than ever, and I couldn’t be happier with how quickly it shipped and how well it works. Definitely a worthwhile purchase if you want a hassle-free upgrade.
Adrian Reed –
I ordered the VIN programmed ECM for my 2019 Audi S3 and was really impressed with the whole process. The shipping was free and arrived faster than I expected, which was a nice surprise. The unit plugged in perfectly with no issues, and the car fired right up. They also answered my questions promptly, making the whole experience smooth and hassle-free.
Dean Lopez –
I was a bit nervous ordering an ECU online for my 2019 Audi S3, but this company made the whole process incredibly smooth. They offer professional VIN programming, so the unit arrived ready to install—no extra trips to a tuner needed. Shipping was surprisingly fast and free, which was a nice bonus. Their customer service was also on point; they answered all my questions promptly and kept me informed every step of the way. After installation, my car is running perfectly with no glitches at all. Highly recommend if you want a hassle-free experience.
Robert Willis –
I recently purchased the 2019 Audi S3 2.0L AT gas ECM/ECU, and I’m genuinely impressed with the entire experience. The unit arrived quickly and was already VIN programmed, which made installation straightforward without any extra hassle. What stood out to me was how the seller provided professional programming service, so I didn’t have to worry about compatibility or additional setup steps. Throughout the process, their team was very responsive whenever I had questions, keeping me informed every step of the way. The quality of the ECU feels top-notch, and my car is running perfectly now. Overall, a smooth transaction from start to finish.