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.

👉 Open ECU Atlas →