Description
2016 Audi S8 4.0L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2016 Audi S8 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




Carlos Rogers –
Super smooth swap and my S8 fired right up—installation was a breeze! Fast delivery and spot-on programming made this an easy choice.
Plugged it in without a hitch, and the car runs flawlessly now. Great quality and support if you need it!
This ECM fit perfectly and was ready to go out of the box. Saved me tons of time, highly recommend for any Audi owner.
The VIN programming was spot on, and the unit arrived quicker than expected. Couldn’t ask for a simpler upgrade!
Top-notch product that made replacing my ECU a no-stress job. Shipping was quick, and it worked exactly as promised.
Diego Gray –
The 2016 Audi S8 ECM arrived quickly and was exactly as described, already programmed to my VIN which saved me a ton of time. Installation was straightforward with no complicated setup—just plug and go. The engine runs smoothly, and I noticed improved response immediately. Overall, this was a hassle-free upgrade that performed flawlessly right out of the box.