Audi TT (2019+)

Model years

2019–

Coding modules

11

Make-wide fault codes

20,644

CarCoding is an app for iPhone, Android, and Windows that works with an ELM327 OBD2 adapter. On the Audi TT (2019+), it supports ECU coding and fault code reading. The app lists 11 coding modules for this vehicle, and it can show manufacturer fault code descriptions, with 20644 descriptions available.

The setting list for Audi TT (2019+) is resolved at runtime from the unit's part number (ODX). Example settings include Fold mirrors on lock, Corner Lights Activation, License Plate Light with Trunk Open, Welcome / farewell lighting, and Driver Seat Fan Level1 High Threshold. These are examples from the settings that can be changed with CarCoding.

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.

Body and comfort

• CENTRAL ELECTRONICS 09201 settingsComfort, Lighting, Performance, Safety, climate, configuration, multimedia
• CLIMATE 0894 settingsComfort, Display, Lighting, Performance, Safety, climate, configuration
• ACCESS KESSY 0530 settingsComfort

Instrument cluster

• INSTRUMENTS 17198 settingsDisplay, Safety

Infotainment

• INFOTAINMENT 5F81 settingsComfort, Display, Lighting, configuration, multimedia
• AUDIO STRUCTURE SOUND A91 settingDisplay

Safety and driver assistance

• PARKING ASSIST 1030 settingsComfort, Display, Lighting, Performance, Safety
• DRIVER ASSIST A522 settingsComfort, Lighting, Safety, climate, multimedia
• BRAKES 0313 settingsComfort, configuration

Powertrain

• ENGINE 015 settingsComfort, configuration

Gateway

• GATEWAY 19108 settingsComfort

Fault codes for this make

There are 20,644 manufacturer fault code descriptions for Audi · Porsche · Bentley · Lamborghini. Open a code block and read what your code means.

• C0864
• U0639
• B2307
• B10256
• B11256
• B12256
• B13256
• B14256
• B15256
• B16256
• B17256
• B18256

94 more blocks →

Frequently asked questions

Which app can do ECU coding on the Audi TT (2019+)?

CarCoding does ECU coding on the Audi TT (2019+) (2019–) from your phone: the setting list is resolved at runtime from your unit's part number; example settings: Fold mirrors on lock, Corner Lights Activation, License Plate Light with Trunk Open, Welcome / farewell lighting, Driver Seat Fan Level1 High Threshold, Driver Seat Fan Level1 Low Threshold. 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 Audi TT (2019+)?

Yes. Besides standard OBD2 engine codes there are 20,644 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

• Audi — Supported Vehicles
• All ECU modules
• All fault codes