ECU Atlas — The most complete car ECU database, free
What is ECU Atlas?
ECU Atlas is the online database by Chip-Tools SRL, collecting detailed technical datasheets of over 6,000 automotive Electronic Control Units (ECUs): Bosch, Continental, Delphi, Magneti Marelli, Siemens and many others. For each ECU you'll find the original part number, vehicle applications, available maps, read/write notes, photos and technical specifications.
What you can do with Atlas
- 🔍 Identify the ECU from license plate or VIN
- 📋 Look up verified ECU part numbers (Bosch, Continental, etc.)
- 🚗 Find vehicle ↔ ECU compatibility
- 📷 View photos and hardware details
- 💾 Check compatible reading tools (Autotuner, Flex, Dimsport, Kess, DFOX)
Who it's for
ECU Atlas is designed for tuning shops, mechatronics professionals, ECU rebuilders and automotive industry experts who need a reliable, up-to-date source of ECU information.
How much does it cost?
ECU Atlas is completely free. No registration required, no limitations, free access to the entire database.