The OBD-II port can diagnose VW check engine light, ABS light, SRS light, and many other problems.
Why would I ever need to locate an OBD2 port on my Volkswagen?
A vehicle owner may need to locate and/or use the OBD-II port on their Volkswagen for several reasons. For example, if the owner has a check engine light on, service codes, etc., an owner can use an OBD2 scanner to view the codes and clear them if necessary.
What is the VW OBD2 port?
It usually refers to the on-board diagnostic (OBD) port located under the dashboard.
What is the difference between OBD-II and OBD2 ports?
OBD-II and OBD2 ports are the same. The correct name is Volkswagen OBD-II port, but sometimes it is called OBD2 for short.
What protocol does VW OBD2 use?
Typically Volkswagen uses ISO9141/14230 protocol. The generic diagnostic trouble codes that trigger the check engine light can be read with a generic scanner. To retrieve codes from other modules such as ABS, Airbag, Transmission, etc., you will need an all system scanner that supports Volkswagen vehicles.