Finding the right PL2303 USB OBDII driver for your Windows system can be tricky. This guide provides comprehensive information on downloading and installing the correct driver for various PL2303 chip versions and Windows operating systems, ensuring seamless connectivity for your OBDII diagnostic tool.
Understanding PL2303 Driver Compatibility
Prolific provides different driver versions for various PL2303 chip revisions and Windows operating systems. Compatibility is crucial for stable performance and accurate vehicle diagnostics. Using the wrong driver can lead to connection issues and inaccurate readings. This guide clarifies which driver version is suitable for your specific setup.
Windows Driver Versions and Compatibility:
- Windows 11:
- WHQL Certified Driver: v3.9.6.0 (06/17/2024) / v5.2.7.0 (06/07/2024)
- Supports PL2303 HXD, SA, RA GC, GS, GT, GL, GE, GD, GR versions.
- Certified for Windows 11 24H2 versions.
- Supports automatic driver download via Windows Update.
- Windows 7, 8.1, and 10:
- WHQL Certified Driver: v3.8.43.0 (05/29/2024) / v5.1.7.0 (05/28/2024)
- Supports PL2303 HXD, SA, TA, TB, RA GC, GS, GT, GL, GE, GD, GR versions.
- Certified for various Windows 10 versions (TH1 1507 to 22H2).
- Compatible with Windows Server 2008 – 2022.
- Supports automatic driver download via Windows Update.
Driver Installer for Windows 7/8.1/10/11:
- Version: 4.3.0.0 (Released 2024-07-15)
- File Size: 14185.12KB
- Supported Chipsets: PL2303 HXD, SA, RA GC, GS, GT, GL, GE, GD, GR, TA, TB.
- Download: PL23XX_Prolific_DriverInstaller_v4300.zip
DCHU Drivers for PC Vendors:
-
Windows 11 and higher:
- PL2303G Driver: v5.2.7.2 (06/06/2024)
- PL2303D Driver: v3.9.7.2 (06/12/2024)
- Download: Win11_DCHU(3).zip
-
Windows 10 RS3 and higher:
- PL2303G Driver: v5.1.3.2 (03/31/2022)
- PL2303D Driver: v3.8.36.2 (03/15/2021)
- Download: Win10_DCHU(2).zip
Important Considerations
- End-of-Life (EOL) Chip Versions: Windows 8/8.1/10 are not supported on PL-2303HXA and PL-2303X EOL chips. Windows 11 and higher are not supported on PL-2303HXA/TA/TB/HXD/RA/SA/EA EOL chips.
- Chip Version Verification: Use the PL2303 CheckChipVersion tool to identify your PL2303 chip version before downloading the driver.
- Counterfeit Chips: Be aware of counterfeit PL-2303 chips, which often cause driver compatibility issues. Purchase from reputable vendors. Prolific recommends the PL-2303GC chip.
Conclusion
Downloading the correct PL2303 USB OBDII driver is essential for proper functionality. By following this guide and verifying your chip version, you can ensure a smooth and reliable diagnostic experience. Remember to always download drivers from official or trusted sources to avoid compatibility problems and potential security risks.
