I don't have an OBD port. What should I do?

The easiest way to install an OBD device without the OBD port in your vehicle is to find an adapter according to the Diagnostics port type your vehicle(s) have. There are many different adapters depending on the port type, as well as the vehicle. That's why it's important to be sure which port you have to find the best solution for you.

Identify diagnostics port type

First, you'll have to identify which diagnostics port you have in your vehicle(s) to ensure you have the correct adaptor.
Here are a few ways to find out what we wanted to show you. First, there are three main types of diagnostic ports, 6-pin (J1708), 9-pin (J1939), and OBDII’s. Generally, light and medium-duty trucks use OBDII ports whereas heavy-duty trucks use 6-pin or 9-pin ports. Volvo and Mack trucks with OBDII ports use a different, more heavy-duty cable.

 

6-pin (J1708)

 

9-pin (J1939)

 

OBDII

Diagnostic ports are generally located below the steering wheel on the left side. See common locations marked on the graphic.

 

Your vehicle’s engine type can also be used to find your diagnostic port. Below is a guide on how that works.

Download PDF Chart

Vehicle Diagnostic Port Guide

Make/Type	Year	Engine	Diagnostic Port
Freightliner	2005 & older	All	6-pin
	2006–2015	All	9-pin
	2015 & newer*	All	9-pin Type II (green)
Kenworth	2005 & older	All	6-pin
	2005–2015	All	9-pin
	2015 & newer*	All	9-pin Type II (green)
Peterbilt	2005 & older	All	6-pin
	2006–2015	All	9-pin
	2015 & newer**	All	9-pin Type II (green)
International	2006 & older	Cummins	6-pin
	2006–2015	Cummins	9-pin
	2005 & older	CAT	6-pin
	2005–2014	CAT	9-pin
	2015 & newer*	All	9-pin Type II (green)
Volvo	2000 & older	Volvo	6-pin
	2001–2014	Volvo	9-pin
	2014 & newer	Volvo	OBDII Plug (16-pin)
	2006–2016	Cummins	9-pin
	2016 & newer*	Cummins	9-pin Type II (green)
Mack	2000 & older	Volvo	6-pin
	2001–2014	Volvo	9-pin
	2014 & newer	Volvo	OBDII Plug (16-pin)
Western Star	2006–2016	Cummins	9-pin
	2016 & newer*	Cummins	9-pin Type II (green)
	2010–2015	All	9-pin
	2015 & newer*	All	9-pin
Light/Medium Duty Vehicle	2008 & newer	All Diesel and Gas	OBDII Plug (16-pin)

*Ensure that the diagnostics port on your vehicle does have a 9-pin connection
**Peterbilt and International trucks manufactored from 2017-2018 will require a special 9-pin cable.

 

 

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