Citroën2004–20104 engines

Citroën C4 I

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

Model years
2004–2010
Engine options
4
Coding modules
1
Codeable settings
64
Make-wide fault codes
7,087

CarCoding covers ECU coding and fault code reading on the Citroën C4 I, produced from 2004–2010. Engine options include 1.6 VTi/THP, 2.0 16V, 1.6 HDi, and 2.0 HDi. On this vehicle there is 1 coding module; CarCoding includes 64 codable settings and 7087 manufacturer fault code descriptions.

Settings that can change include Parking assistant, Airbag · BSI2004, Rain/brightness sensor · BSI2004, Electric Steering Lock · BSI2004, Head Up Display · BSI2004, and Deflation detection · BSI2004. Other examples are Boot relay unit · BSI2004, Driver's Seat Control Pad Unit · BSI2004, Retractable roof · BSI2004, and Driver's seat memorizing unit · BSI2004.

Supported coding modules

The CarCoding coding database defines 1 modules and 64 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

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 C4 I?

CarCoding does ECU coding on the Citroën C4 I (2004–2010) from your phone: 64 codeable settings are defined across 1 modules; example settings: Parking assistant, Airbag · BSI2004, Boot relay unit · BSI2004, Rain/brightness sensor · BSI2004, Electric Steering Lock · BSI2004, Driver's Seat Control Pad Unit · BSI2004. An ELM327-based OBD2 adapter with Bluetooth Low Energy (BLE) is all you need; the app runs on iPhone, Android and Windows and is free to download.

Can I read fault codes on the Citroën C4 I?

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, Android and Windows 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.