Description
2018 Audi S7 4.0L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2018 Audi S7 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 James –
Installed the ECM in my Audi S7 with zero hassle—literally plug and play. Arrived quickly and works flawlessly.
Fantastic product! The VIN was perfectly programmed, and it fit right in without any issues. Super smooth transaction and fast delivery.
This ECU replacement was exactly what I needed for my 2018 S7. Quick setup and no glitches, highly recommend.
Shipping was speedy, and the module plugged in without a hitch. My Audi runs like new again—very impressed!
Got the programmed ECM for my S7, and it was spot on. Easy install and the engine is running strong now.