Haval2021–2 engines

Haval Jolion

Supported ECU modules, codeable settings and fault codes for this vehicle. Open a module or a code block to see the detail.

Model years
2021–
Engine options
2
Coding modules
4
Codeable settings
22
Make-wide fault codes
52

CarCoding allows you to read fault codes and change ECU settings on the Haval Jolion, a vehicle produced from 2021 onwards. The app connects to your iPhone or Android device using an ELM327 BLE OBD2 adapter to access the vehicle's systems. It supports the 1.5T 150HP and 1.5 HEV 190HP engine options found in this model.

The application provides access to 4 coding modules and 22 codable settings for this vehicle. You can adjust features such as Mood Lamps, Engineering Mode, and Voice Recognition. Additionally, the app includes 52 manufacturer fault code definitions to help identify issues.

Supported coding modules

The CarCoding coding database defines 4 modules and 22 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.

Other modules

Engine options

Fault codes for this make

There are 52 manufacturer fault code descriptions for Haval · Wey · Ora. Open a code block and read what your code means.

Frequently asked questions

Which app can do ECU coding on the Haval Jolion?

CarCoding does ECU coding on the Haval Jolion (2021–) from your phone: 22 codeable settings are defined across 4 modules; example settings: Mood Lamps (HUT), Multi Color Rhythm Mood Lamp, Engineering Mode, Export Country, Navigation Services, Off-road Information Display. 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 Haval Jolion?

Yes. Besides standard OBD2 engine codes there are 52 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

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.