Audi2015–2018

Audi A6 (2015-2018)

Supported fault codes and engine options for this vehicle. Fault code read and clear work over OBD2.

Model years
2015–2018
Make-wide fault codes
14,282

CarCoding supports the Audi A6 (2015–2018) for ECU coding and fault code reading when paired with an ELM327 BLE OBD2 adapter. The app accesses 14282 manufacturer fault code definitions to help diagnose issues on this vehicle.

The specific list of adjustable settings is resolved at runtime from the unit's part number (ODX). This dynamic approach ensures that the available options correspond directly to the hardware configuration of your Audi A6.

Supported coding modules

On Volkswagen Group cars the setting list is resolved from the car: CarCoding reads the unit's part number and fetches the matching ODX bit map at runtime. The list you see is the one your unit actually carries.

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.

77 more blocks →

Frequently asked questions

Which app can do ECU coding on the Audi A6 (2015-2018)?

CarCoding does ECU coding on the Audi A6 (2015-2018) (2015–2018) from your phone: the setting list is resolved at runtime from your unit's part number. 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 Audi A6 (2015-2018)?

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?

  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.