- Model years
- 2016–2020
- Engine options
- 4
- Coding modules
- 3
- Codeable settings
- 37
- Make-wide fault codes
- 562
CarCoding is an app for iPhone, Android, and Windows that works with an ELM327 OBD2 adapter. On the Hyundai Elantra (AD) from 2016–2020, including 1.6 MPi 128HP, 1.4 T-GDi 140HP, 2.0 MPi 152HP, and 1.6 CRDi 136HP engine options, it supports fault code reading and ECU coding. For this vehicle, CarCoding provides 3 coding modules and 562 manufacturer fault code descriptions.
CarCoding can change 37 coded settings on the Hyundai Elantra (AD). Example settings include Buzzer on arm/disarm, Escort lights, Door lock sound, Remote lock/unlock settings, Sound signal feedback (+RT), Automatic door lock, Automatic door unlock, Turn to unlock, Triple turn signal, and Lock with remote key button.
Supported coding modules
The CarCoding coding database defines 3 modules and 37 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.
Instrument cluster
Safety and driver assistance
Engine options
- 1.6 MPi 128HP
- 1.4 T-GDi 140HP
- 2.0 MPi 152HP
- 1.6 CRDi 136HP
Fault codes for this make
There are 562 manufacturer fault code descriptions for Hyundai · Kia · Genesis. Open a code block and read what your code means.
Frequently asked questions
Which app can do ECU coding on the Hyundai Elantra (AD)?
CarCoding does ECU coding on the Hyundai Elantra (AD) (2016–2020) from your phone: 37 codeable settings are defined across 3 modules; example settings: Buzzer on arm/disarm, Escort lights, Door lock sound, Remote lock/unlock settings, Sound signal feedback (+RT), Automatic door lock. 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 Hyundai Elantra (AD)?
Yes. Besides standard OBD2 engine codes there are 562 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?
- 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.