- Model years
- 2015–2022
- Engine options
- 4
- Coding modules
- 8
- Codeable settings
- 130
- Make-wide fault codes
- 2,062
CarCoding supports the Renault Mégane IV (BFB) produced between 2015 and 2022. This app works with an ELM327 BLE OBD2 adapter on iPhone and Android devices. It allows users to read fault codes and modify ECU settings for this specific vehicle model.
The application provides access to 8 coding modules and 130 codable settings. Users can adjust options such as dashboard backlight always on, dashboard language, trip computer display, tire pressure monitor system installed, overspeed warning, seat belt warning on dashboard, pointers staging, gear shift hints, engine temperature display principle, and fuel low-level lamp switch-on level. It also includes 2062 manufacturer fault code definitions.
Supported coding modules
The CarCoding coding database defines 8 modules and 130 settings for this platform. Open a module to see every setting it carries.
Grouped by category. Open a module to see every setting it exposes.
Body and comfort
Powertrain
Other modules
- ECU 74345 settingsComfort
- ECU 74D45 settingsComfort
- ECU 7478 settingsmultimedia
- ECU 7442 settingsclimate
- ECU 7821 settingmultimedia
- ECU 7991 settingComfort
Engine options
- 1.6 SCe 115HP
- 1.8 TCe RS 280HP
- 1.5 dCi 110HP
- 1.5 dCi 115HP
Fault codes for this make
There are 2,062 manufacturer fault code descriptions for Renault · Dacia · Alpine. Open a code block and read what your code means.
Frequently asked questions
Which app can do ECU coding on the Renault Mégane IV (BFB)?
CarCoding does ECU coding on the Renault Mégane IV (BFB) (2015–2022) from your phone: 130 codeable settings are defined across 8 modules; example settings: Dashboard backlight always on, Dashboard language, Trip computer display, Tire pressure monitor system installed, Overspeed warning, Seat belt warning on dashboard. 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.
Can I read fault codes on the Renault Mégane IV (BFB)?
Yes. Besides standard OBD2 engine codes there are 2,062 manufacturer fault code descriptions for this make group; you can read and clear them.
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?
- Plug an ELM327-compatible OBD2 adapter into the car.
- Open CarCoding and connect to the adapter over Bluetooth.
- Pick the make and model — or let the VIN identify it.
- Read fault codes; on supported vehicles, open the module settings.
Related pages
Get CarCoding
Connect your ELM327 adapter, read fault codes, and browse module settings on supported vehicles.
The app is free to download.