Citroën2020–1 engines

Citroën ë-C4

Supported ECU modules, codeable settings and fault codes for this vehicle. Open a module or a code block to see the detail.

Model years
2020–
Engine options
1
Coding modules
7
Codeable settings
2,529
Make-wide fault codes
7,087

CarCoding is a mobile application for iPhone and Android that connects to an ELM327 BLE OBD2 adapter. It allows users to read fault codes and perform ECU coding on the Citroën ë-C4, a vehicle available from 2020 onwards. The app supports the ë-C4 50kWh 136HP motor option and accesses seven coding modules.

The application provides access to 2529 codable settings and 7087 manufacturer fault code definitions. Users can modify specific configurations such as the BSI2010Evo Seat Belt Reminder, BSI2010Evo Airbag, and BSI2010Evo Driver's Door Control Panel. Additional adjustable features include the BSI2010Evo Security Alarm System and BSI2010Evo Smart Switching Unit.

Supported coding modules

The CarCoding coding database defines 7 modules and 2529 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

Instrument cluster

Infotainment

Safety and driver assistance

Powertrain

Engine options

Fault codes for this make

There are 7,087 manufacturer fault code descriptions for Peugeot · Citroën · DS. Open a code block and read what your code means.

44 more blocks →

Frequently asked questions

Which app can do ECU coding on the Citroën ë-C4?

CarCoding does ECU coding on the Citroën ë-C4 (2020–) from your phone: 2529 codeable settings are defined across 7 modules; example settings: BSI2010Evo Multiplex Fuel Additive Pump, BSI2010Evo Steering Wheel-Mounted Switch, BSI2010Evo Seat Belt Reminder, BSI2010Evo Battery Charge Status Unit, BSI2010Evo Airbag, BSI2010Evo Motor Control Unit. 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 Citroën ë-C4?

Yes. Besides standard OBD2 engine codes there are 7,087 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?

  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.

Related pages

Get CarCoding

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

App Store Google Play

The app is free to download.