- Model years
- 2017–
- Engine options
- 2
- Coding modules
- 22
- Make-wide fault codes
- 14,282
CarCoding enables ECU coding and fault code reading for the Audi RS4 and RS5 (B9) models from 2017 onwards. The app supports the RS4/RS5 2.9 TFSI 450HP and RS5 Competition 2.9 530HP engines. It accesses 22 coding modules and interprets 14282 manufacturer fault code definitions.
You can modify settings such as the Lap timer in cluster, Oil temperature display, and Warning at 120 km/h. Other adjustable options include Free Space In Fuel Tank Display, Acceleration Display, and FPK gen.2 Design Lock. The specific list of available settings is resolved at runtime from the unit's part number (ODX).
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 0997 settingsComfort, Display, Lighting, Safety, climate, multimedia
- DOOR DRIVER 4222 settingsComfort, multimedia
- CLIMATE 086 settingsComfort
- DOOR PASSENGER 524 settingsComfort
- CENTRAL CONV 463 settingsComfort
- STEERING COLUMN 163 settingsComfort
- SEAT MEMORY 362 settingsComfort
- DOOR REAR RIGHT BC1 settingComfort
- PARKING HEATER 181 settingclimate
- SEAT MEMORY PASS 061 settingComfort
Instrument cluster
- INSTRUMENTS 17102 settingsComfort, Display, Safety, climate, configuration
- HEAD UP DISPLAY 828 settingsComfort, multimedia
Infotainment
Safety and driver assistance
- ADAS ACC 1315 settingsComfort, multimedia
- DRIVER ASSIST A56 settingsComfort
- BRAKES 034 settingsComfort
- CAMERA 6C4 settingsComfort
- BLIND SPOT 3C1 settingComfort
Powertrain
Gateway
Engine options
- RS4/RS5 2.9 TFSI 450HP
- RS5 Competition 2.9 530HP
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
Which app can do ECU coding on the Audi RS4 / RS5 (B9)?
CarCoding does ECU coding on the Audi RS4 / RS5 (B9) (2017–) from your phone: the setting list is resolved at runtime from your unit's part number; example settings: Free Space In Fuel Tank Display, Pointer Test, Lap timer in cluster, Oil temperature display, Acceleration Display, Outside Temperature Display. 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 RS4 / RS5 (B9)?
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.