- Model years
- 2002–2005
- Make-wide fault codes
- 14,282
CarCoding is a mobile application for iPhone and Android that connects to an ELM327 BLE OBD2 adapter. It supports the Audi A4 Cabrio from 2002 to 2005. The app provides access to manufacturer fault code definitions, including a database of 14282 entries.
The application allows users to read and clear fault codes on the Audi A4 Cabrio. It also displays live data from the vehicle. Note that ECU coding data is not available for this model.
Supported coding modules
No coding modules are defined for this vehicle in CarCoding. Fault code read/clear and live data work over OBD2.
Fault codes for this make
There are 14,282 manufacturer fault code descriptions for Audi · Porsche · Bentley · Lamborghini. Open a code block and read what your code means.
Frequently asked questions
What does CarCoding do on the Audi A4 Cabrio (2002-2005)?
CarCoding reads and clears fault codes and shows live data over OBD2 on the Audi A4 Cabrio (2002-2005) (2002–2005). No coding modules are defined for this vehicle.
Can I read fault codes on the Audi A4 Cabrio (2002-2005)?
Yes. Besides standard OBD2 engine codes there are 14,282 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.