Description
2019 Audi A8 4.0L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Audi A8 4.0L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with no dealer visit required.
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:
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Complete communication & CAN-bus verification
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Sensor input/output and signal integrity checks
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Injector & ignition pulse simulation
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Power, ground, and load-circuit analysis
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Flash memory integrity and checksum validation
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Thermal and voltage-stress testing to confirm reliability
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
Important Note
Some vehicles equipped with IMMO (Immobilizer) or PATS (Passive Anti-Theft System) may require additional key programming after installation. This is normal for models where security data must be synchronized with the vehicle’s body control system.
For a 100% plug-and-play solution with no relearns, no key programming, and no compatibility issues, we recommend our ECU Cloning Service, which transfers all original security, immobilizer, and configuration data directly into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Brandon Allen –
Exactly what I needed for my 2019 Audi A8 — easy to install and worked flawlessly right out of the box. Highly recommend!
Super fast delivery and a perfect fit for my car’s system. Plugged it in, and it was ready to go with zero hassle.
This ECM came pre-programmed and saved me so much time. It was a smooth swap, and the car runs like new again!
Bought this for my Audi A8, and I’m thrilled with how seamless the install was. Great quality and excellent support when I had a quick question.
Plug-and-play as advertised, no surprises or glitches. My 2019 Audi is back on the road with top performance—couldn’t be happier!
Aiden Edwards –
I was a bit nervous about ordering an ECM online, but this 2019 Audi A8 4.0L unit exceeded my expectations. The VIN programming was spot on, so installation was a breeze with no issues starting up the car afterward. Shipping was surprisingly quick, which helped me get my vehicle back on the road without a long wait. The technical support team was also responsive when I had a couple of quick questions. Overall, this plug-and-play replacement made what could have been a stressful repair feel smooth and hassle-free. Highly recommend to anyone needing a reliable ECU swap.
Jose Lewis –
The ECM arrived quickly and was exactly as described for my 2019 Audi A8 4.0L. Installation was straightforward, truly plug-and-play, saving me a lot of time and hassle. After programming, the car runs perfectly with no error codes. Very satisfied with the quality and support throughout the process.
Tyler Perez –
I was a bit nervous about ordering a replacement ECM for my 2019 Audi A8, but this unit arrived quickly and was already programmed for my VIN, which made installation straightforward. The plug-and-play nature saved me a ton of time and avoided any complicated coding steps. After swapping it in, my car fired right up without any issues, and all the systems are running perfectly. I also appreciated the support team being available to answer a couple questions I had during the process. Overall, a smooth experience that got my Audi back on the road without a hitch.