Description
2021 Audi Q3 2.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2021 Audi Q3 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
Joel Miles –
I was a bit nervous about ordering an ECM online, but this purchase for my 2021 Audi Q3 was smooth from start to finish. The team provided excellent communication throughout the process, promptly answering all my questions and keeping me updated on the status. The unit arrived quickly and was perfectly VIN programmed, so installation was truly plug-and-play with no issues. It feels like a brand-new car now, and the turnaround time exceeded my expectations. I’m really impressed with the quality and service, definitely would recommend them.
Carlos Hill –
Received my programmed ECU quickly with free shipping, and it was a seamless plug-and-play fit—highly recommend their service.
Harvey Bailey –
I was really impressed with how quickly this 2021 Audi Q3 ECM arrived, especially with free shipping included. The module came VIN programmed and was truly plug-and-play, which saved me a lot of time and hassle. The team was also very responsive when I had a couple of questions about installation. Overall, a smooth experience with a high-quality product.
Luis Bates –
I was a bit nervous ordering an ECU online, but this 2021 Audi Q3 2.0L AT ECM arrived quickly with free shipping, which was a nice bonus. The unit was already VIN programmed, making the installation straightforward and hassle-free. I appreciated how the seller kept me updated throughout the process and was quick to answer my questions about compatibility. Once installed, my vehicle ran flawlessly, and I couldn’t be happier with the quality of the part. It felt like getting a brand new engine control module without the dealer price tag. Highly recommend this service to anyone needing a reliable ECU replacement.