Vehicle Electrical System Control Module, Data Bus On Board Diagnostic Interface, Engine Control Module

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

J519 

Vehicle electrical system control module

J533 

Data bus on board diagnostic interface

J623 

Engine control module

T16 

16-pin connector

T73b 

73-pin connector

T94 

94-pin connector

U31 

Diagnostic connection

Powertrain CAN bus high connection 1 (in main wiring harness)

Powertrain CAN bus low connection 1 (in main wiring harness)

CAN bus Low display and control connection 1

* From July 2016