ECU CAR FINDER

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About this app

🚗 EcuCar – ECU Compatibility & OBD Reference for Car Electronics 🔧

EcuCar is a fast, searchable ECU database that tells you which Engine Control
Unit fits which car. Look up ECU compatibility by car brand, model and engine
in seconds — then check the MCU inside it, the OBD protocols it speaks, and the
programming method it needs.

Built for mechanics, auto electricians, ECU tuners, diagnostic technicians and
serious DIY car enthusiasts who are tired of guessing part numbers.

🔍 WHAT YOU CAN DO

✅ Search ECU by Car Brand & Model
Pick a brand, pick a model, get every matching ECU. Thousands of car-to-ECU
pairings covering 50+ car brands.

✅ Reverse Search: Cars by ECU
Have the ECU but not the car? Search by ECU brand and variant to see every
vehicle it was fitted to — ideal for donor units, ECU swaps and second-hand
parts.

✅ OBD Write Methods per Model
See how each unit is programmed: OBD, bench, boot mode or BDM. Check whether a
job can be done on the car or needs the ECU on the bench, before you start.

✅ MCU & Microcontroller Details
Full MCU spec for each unit — vendor, architecture, flashing method, supported
OBD protocols (CAN bus, K-Line, ISO 9141, KWP2000) and the vehicles that use it.

✅ ECU Brand Catalogue
Browse 30+ ECU manufacturers with descriptions and technical
detail.

✅ Cloud-Updated Database
New ECU compatibility entries are added continuously and appear in the app
automatically. No app update needed.

🔧 DATA YOU GET FOR EVERY ENTRY
• Car brand and model
• Engine type / engine code
• ECU brand and variant
• MCU / microcontroller type
• Programming method, where available

💡 WHO USES ECUCAR
• Auto repair workshops and garages
• ECU tuners, remappers and chip tuning specialists
• ECU programming and car coding technicians
• Diagnostic and OBD2 technicians
• Immobilizer and key programming specialists
• Car electronics and auto electrical repair shops
• Car import, export and parts resellers
• DIY car enthusiasts and home mechanics

🚀 WHY ECUCAR
ECU cross-reference information is scattered across forums, PDFs and paid
databases. EcuCar puts it in one clean, fast app you can use with oily hands in
a workshop. Lightweight, quick to load even on older phones, and free to use.

⚠️ Note: EcuCar is a reference and lookup database. It is not a diagnostic
scanner and does not connect to your vehicle. An internet connection is
required to load compatibility results.

🔐 PRIVACY
No account, no sign-up, no personal details required. EcuCar is free and
ad-supported, and you can review or change your ad personalisation choices any
time from Privacy options in the About screen.

Download EcuCar and stop guessing which ECU fits.