- Model years
- 2018–
- Engine options
- 3
- Coding modules
- 1
- Codeable settings
- 577
- Make-wide fault codes
- 2,526
The CarCoding app for iPhone, Android and Windows connects to your Jeep Wrangler JL via an ELM327 BLE OBD2 adapter. This tool allows you to read fault codes and modify ECU settings on models from 2018 onwards, including the 2.0 GME T4 272HP, 3.6 V6 Pentastar 285HP, and 4xe PHEV 375HP engines.
You can access 577 codable settings and view 2526 manufacturer fault code definitions. Example adjustments include Left/Right Hand Drive, Remote Start Present, Drive Configuration, Emode Present, Auto Highbeam, Body Style, Shifter Type, PTS Display Type and Location, Performance Pages Present, and Headrest Present.
Supported coding modules
The CarCoding coding database defines 1 modules and 577 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.
Body and comfort
Engine options
- 2.0 GME T4 272HP
- 3.6 V6 Pentastar 285HP
- 4xe PHEV 375HP
Fault codes for this make
There are 2,526 manufacturer fault code descriptions for Dodge · Jeep · Chrysler · RAM. Open a code block and read what your code means.
Frequently asked questions
Which app can do ECU coding on the Jeep Wrangler (JL)?
CarCoding does ECU coding on the Jeep Wrangler (JL) (2018–) from your phone: 577 codeable settings are defined across 1 modules; example settings: Left/Right Hand Drive, Remote Start Present, Drive Configuration, Emode Present, Auto Highbeam, Body Style. 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 Jeep Wrangler (JL)?
Yes. Besides standard OBD2 engine codes there are 2,526 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.