OHP FORScan ELM327 OBD2 to USB Diagnostic Cable — Ford/Lincoln/Mercury 12V, MS-CAN & HS-CAN Support

The OHP FORScan ELM327 OBD2 to USB is a Windows-only diagnostic cable that lets you read, clear, and interpret vehicle fault codes and access Ford-specific modules with FORScan software.

This compact USB adapter is built for DIY vehicle owners and technicians who need a reliable, high-speed connection to Ford, Lincoln, Mercury and many Mazda vehicles (12V models), enabling diagnostic checks, basic troubleshooting, and select programming when used with FORScan.

What systems can this cable diagnose?

Using ELM327-compatible commands and FORScan, the cable can access engine, transmission, ABS, airbag, body control modules and many Ford-brand networked modules. It reports Diagnostic Trouble Codes (DTCs) and provides descriptions so you can identify likely causes before you start repairs.

• Reads and clears DTCs across primary vehicle systems
• Supports MS-CAN and HS-CAN bus speeds up to 500 kbit/s
• Displays fault descriptions to guide troubleshooting
• Works on cars, SUVs and light trucks with 12V systems

Which vehicles and compatibility limits should I expect?

The cable is optimized for Ford models and many Lincoln, Mercury and older Mazda vehicles that use Ford protocols. It does not support newer Mazda 7th-gen platforms or certain joint-venture Ford models that use non-Ford communications.

• Compatible: Ford Focus, Fiesta, F-Series, Explorer, Transit family, Ranger, Mustang and many SUVs
• Also compatible: Lincoln MKZ, Nautilus, Navigator and select Mercury models
• Not compatible: Mazda 7th-gen (CX-30, CX-50, CX-60 etc.) and some VW/Fiat-based Ford joint-venture models
• Designed for 12V vehicles only — not for heavy trucks with different protocols

How does setup and software work with Windows and FORScan?

This cable requires a Windows PC running FORScan (download separately). Drivers use the FTDI chipset; Windows XP through Windows 10 are supported. Some advanced programming features in FORScan need an Extended License (trial available from FORScan developers) and are subject to vehicle and software limits.

• Windows-only: XP/2000, Vista, 7, 8, 10 supported
• Install FTDI drivers if automatic detection fails
• If FORScan doesn’t find the cable, try lowering the COM port number in Device Manager
• Extended FORScan functions may require a separate license (not included)

What performance and safety notes should I keep in mind?

The adapter supports bus speeds from 19,200 baud up to 500,000 baud (default ELM327 speed 38,400). It is intended for diagnostics and basic programming; it should not be used to alter emissions systems or in unsupported vehicle architectures.

• Connection speed up to 500 kbit/s for fast data exchange
• ELM327-compatible protocol handling and reliable fault reading
• Not for macOS, Chromebooks, tablets or phones unless running full Windows
• Use caution when changing module settings—follow FORScan guidance

Who is this for? If you own or service Ford, Lincoln, Mercury or compatible older Mazda 12V vehicles and want an affordable, high-speed USB interface for diagnostics, the OHP FORScan ELM327 cable is designed for hands-on DIYers, independent mechanics, and fleet technicians who use Windows PCs and FORScan software to diagnose faults, inspect module data, and perform non-destructive programming tasks within software and vehicle limitations.