9-Pin to 16-Pin OBD2 Cable Adapter – Universal Truck Diagnostic Connector is listed as an auto-part option. Confirm fitment, part number and compatibility before purchase, especially where vehicle-specific matching is required.
9-Pin to 16-Pin OBD2 Cable Adapter – Universal Truck Diagnostic Connector is a diagnostic accessory designed to connect vehicles or trucks equipped with a 9-pin diagnostic port to standard 16-pin OBD2 diagnostic tools. This adapter allows for compatibility between different diagnostic connector types, enabling easier access to vehicle data using universal OBD2 scanners.
This part is an essential tool for technicians and vehicle owners who need to interface with onboard diagnostic systems but face different connector standards. It bridges the gap when your diagnostic tool requires a 16-pin OBD2 input but the vehicle has a 9-pin port, commonly found on trucks. The adapter is universal, meaning it is not limited to a specific vehicle make or model but supports all vehicles using these connector types.
When considering this adapter, compare the existing vehicle diagnostic connector to confirm it matches the 9-pin format. Using the correct adapter helps ensure proper communication with the vehicle’s electronic control unit. If uncertain about fitment or compatibility, consulting a diagnostic specialist or submitting a request for parts is recommended.
- Converts 9-pin diagnostic port to 16-pin OBD2 plug
- Compatible with universal truck diagnostic tools
- Useful for accessing vehicle fault codes and live data
Not sure the code, size or specification matches? Use more Diagnostics or Request a Part with a clear photo of the old part before checkout.

