ELM OBD2 Drivers: Installation Guide for Windows

This comprehensive guide provides step-by-step instructions for installing Elm Obd2 Drivers on Windows computers, enabling seamless connectivity between your ELM327 OBD2 scanner and diagnostic software. A properly installed driver is crucial for effective vehicle diagnostics.

Installing ELM OBD2 Drivers on Windows XP, 7, 8, 10, and 11

Connecting your ELM327 USB scanner to your Windows computer should initiate automatic driver installation. To confirm successful installation:

1. Open Device Manager.
2. Expand Ports (COM & LPT).
3. Verify the absence of yellow exclamation marks next to devices like “USB-Serial CH340,” “FT232R USB UART,” “Prolific,” “USB-to-Serial,” “USB Serial Port,” “USB2.0-Serial,” or “Silicon Labs CP210x USB to UART Bridge.”

A lack of yellow exclamation marks indicates successful driver installation. You can proceed to connect to your vehicle. If a yellow exclamation mark is present, proceed to the driver installation packs below.

Troubleshooting ELM OBD2 Driver Installation Issues

If automatic installation fails, manually install the appropriate driver pack:

Driver Pack 1 (CP210x):

• 64-bit Windows: Double-click CP210xVCPInstaller_x64.
• 32-bit Windows: Double-click CP210xVCPInstaller_x86.

DRIVER PACK 1

Driver Pack 2 (Prolific PL2303): DRIVER PACK 2

Driver Pack 3 (FTDI): DRIVER PACK 3

Driver Pack 4 (CH340): DRIVER PACK 4

Driver Pack 5 (Prolific for Windows 8): DRIVER PACK 5

Installing Driver Pack 5:

1. Move the unextracted folder to your Desktop.

2. Right-click on ser2pl and select “Install.”

3. Connect the ELM327 cable.

4. In Device Manager, under “Ports (COM & LPT),” right-click on “Prolific” with the yellow mark and select “Update Driver Software.”

5. Choose “Browse my computer for driver software.”

6. Select “Let me pick from a list of device drivers on my computer.”

7. Uncheck “Show compatible hardware.”

8. Select Prolific driver version 3.3.2.102 and install.

Driver Pack 6 (Total Car Diagnostics ELM327 Driver Package): DRIVER PACK 6

1. Download and extract the package.
2. Double-click on InstallUSB.

Advanced Troubleshooting for ELM OBD2 Driver Issues

If issues persist, try these advanced steps:

1. Ensure the ELM327 device is functional: all lights should flash upon connection, settling on one red light.
2. Restart your computer with the cable connected.
3. Try different USB ports.
4. If a “Code 10 error” appears next to “Prolific USB-to-Serial”, consult specific troubleshooting guides for this error.

Verifying ELM OBD2 Driver and Connection with EasyOBD

Use EasyOBD for a comprehensive test:

1. Download and install EasyOBD.
2. Connect the ELM327 to your computer and car.
3. Turn on the car’s ignition (not the engine).
4. Launch EasyOBD. It should connect automatically.

Green lines in EasyOBD confirm successful installation and compatibility. Red lines indicate potential issues with the scanner or vehicle compatibility.