Skoda ECU Coding App

The CarCoding app enables ECU coding on Skoda vehicles using an ELM327 BLE OBD2 adapter on iPhone or Android. It supports 37 Skoda models in its catalog, with coding data available for 26 of them. This allows users to modify various vehicle settings directly from their mobile device.

Vehicles with coding
26
Vehicles in catalogue
37
Manufacturer fault codes
14,280

Users can adjust specific features such as Lock Autolock Rear, Turn Lights Polite Blinks, and Light sensor sensivity customization. Other configurable options include Emergency braking lights, Key Fob While Engine Running, and Anti-theft alarm settings. The app provides access to these modifications for supported Skoda models.

Examples of codeable settings

Models with coding data

Skoda — all supported models →

Frequently asked questions

Which app does ECU coding on Skoda vehicles?

CarCoding does ECU coding on Skoda vehicles from your phone; coding data exists for 26 vehicles. An ELM327-based OBD2 adapter with Bluetooth Low Energy (BLE) is all you need; the app runs on iPhone and Android and is free to download.

Which Skoda models can be coded?

Some of the models with coding data: Citigo / Citigo-e iV (2011–2020), Elroq (2025+) (2025–), Enyaq iV (5AZ) (2020–), Fabia II (5J) (2007–2014), Fabia III (NJ) (2014–2021), Fabia IV (PJ) (2021–). The full list is on this page.

Which adapter do I need?

An ELM327-based OBD2 adapter with Bluetooth Low Energy (BLE) is all you need; the app runs on iPhone and Android and is free to download.

How do I start?

  1. Plug an ELM327-compatible OBD2 adapter into the car.
  2. Open CarCoding and connect to the adapter over Bluetooth.
  3. Pick the make and model — or let the VIN identify it.
  4. Read fault codes; on supported vehicles, open the module settings.

Get CarCoding

Connect your ELM327 adapter, read fault codes, and browse module settings on supported vehicles.

The app is free to download.