EOBD Facile

EOBD Facile is an OBD2 car diagnostic app that turns your smartphone into a practical scan tool when you pair it with an ELM327 adapter. If your Check Engine Light comes on, you can run a diagnostic yourself, read the fault codes, and understand what triggered the warning before you decide on maintenance or a mechanic visit.

What You Need: An ELM327 Adapter + Your Car’s OBD2 Port

To use EOBD Facile, you plug an ELM327 OBD2 Bluetooth or Wi‑Fi interface into your vehicle’s OBD2 port, then connect the app. The app works with many common adapters (for example Veepeak or Vgate) and also supports klavkarr diagnostic readers. Connection quality depends heavily on the adapter—cheap ELM327 clones often cause pairing or communication issues.

Read Fault Codes (DTCs) and See What They Mean

EOBD Facile reads engine and transmission trouble codes (DTCs) and shows their definitions. The app includes a large built-in database (15,000+ definitions), so you can quickly interpret codes instead of searching manually.

Clear Codes and Reset the Check Engine Light

After you review the issue (and repair the cause), EOBD Facile lets you erase fault codes and clear the Malfunction Indicator Light (MIL) / check engine light using the ELM327 connection.

Manufacturer-Specific Codes for More Detail

Beyond generic OBD2 codes, EOBD Facile can display manufacturer-specific code information for many brands, including examples like BMW, Lexus, Ford, Jeep, Kia, Nissan, Audi, Subaru, Volvo, and others (availability varies by vehicle and ECU support).

Live Sensor Data with Logging

The app can display real-time vehicle data and, depending on what your car exposes, you may be able to monitor items such as:

• Vehicle speed
• Engine RPM
• Coolant/engine temperature
• Ignition timing
• Engine torque
• Intake airflow and other sensor readings
  You can also record data to a file for later review.

Trip Records and Performance Measurements

EOBD Facile supports trip recording (also referenced alongside the developer’s desktop software for Windows/macOS). It also offers acceleration/performance measurements such as 0–100 km/h and standing-start tests.

Vehicle Compatibility (General Guidance)

In general, the app works with most:

• Petrol (gasoline) vehicles from 2001+
• Diesel vehicles from 2004+
  Compatibility can still vary by model/market and which modules your vehicle supports, so the developer provides an online community-based compatibility list you can check.

Adapter Testing and Troubleshooting

If you struggle to connect, the issue may be the adapter rather than the car or app. EOBD Facile includes a way to test whether your ELM327 device supports required functions for reliable OBD2 diagnostics.

If you tell me your car make/model/year and whether your adapter is Bluetooth or Wi‑Fi, I can help you pick the most likely compatible connection method and common troubleshooting steps.