Dealerships connect a proprietary diagnostic tool (GWM Integrated Diagnostic System) to the vehicle's OBD-II port. This ensures the update is written directly to the EEPROM chips without risking a "bricked" system.
Your update file depends on – check it in:
According to discussions in technical forums, the first few characters of this string often act as a model code to cross-reference with other owners. Write this down. For context, some of the most discussed Haval Jolion firmware versions internationally have been .
: A verified service campaign has been launched to update the Head Unit Terminal (HUT) software. This update is designed to improve the overall stability and performance of the infotainment system. Offline Voice Control : Recent updates (specifically version haval jolion software update verified
| Symptom After Update | Verified Solution | |----------------------|-------------------| | Screen stuck on “Haval” logo | Perform a via steering wheel controls: Press and hold Phone Pickup + Hang Up buttons for 15 seconds. | | Wireless CarPlay no longer connects | Forget device → Re-pair via Bluetooth first, then Wi-Fi. | | Lane keep assist too sensitive | Drive for 10 km on highway (cameras auto-calibrate after update). | | Update fails at 99% | Battery voltage drop. Start engine and retry (yes, OTA can run while idling in Park). |
: Updates have been reported to refine gear shifting behavior and the sensitivity of the Emergency Braking System, especially in varying weather conditions like fog or rain. Verification and Update Procedure 1. Check Status
: Settings → System → System Update → USB Update Write this down
A 2022 Thai press release confirmed an official software update for the Haval Jolion was designed to "improve fuel consumption efficiency" by approximately 14%, based on testing by the R&D team.
Access the infotainment settings to view the current version number. Some users use specific steering wheel button sequences to enter advanced menus. 3. Professional Install Dealer Visit
The Haval Jolion software update is a comprehensive overhaul of the vehicle's onboard systems, aimed at improving performance, stability, and security. The update covers various aspects of the vehicle's software, including the infotainment system, engine control unit, transmission control unit, and advanced driver-assistance systems (ADAS). This update is designed to improve the overall
Park your SUV in a safe space with an open line of sight.
This message typically appears on the infotainment screen or within the "Update" menu of the Haval Jolion (also known as Jolion Pro in some markets).
: Verified updates address common glitches such as missing icons or unresponsive apps like Uber and Android Auto.
Select to view the build code (e.g., configurations like R7.4 or region-specific firmware tags).
Yes. Many owners who received the verified TCU (Transmission Control Unit) calibration update at their local dealership reported a noticeable improvement in throttle response and smoother low-speed crawling. Summary Checklist for Owners