Vehicle Electrical System Control Module, Data Bus On Board Diagnostic Interface, Heating And Air Conditioning Control Module

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

J519 

Vehicle Electrical System Control Module

J533 

Data Bus on Board Diagnostic Interface

J979 

Heating and Air Conditioning Control Module

T20b 

20-Pin Connector, Black

T40a 

40-Pin Connector, Black

T73a 

73-Pin Connector, Black

B397 

Comfort System CAN Bus, High Connection 1 (in Main Wiring Harness)

B398 

Comfort System CAN Bus, High Connection 2 (in Main Wiring Harness)

B406 

Comfort System CAN Bus, Low Connection 1 (in Main Wiring Harness)

B408 

Comfort System CAN Bus, Low Connection 3 (in Main Wiring Harness)

B848 

LIN Bus Connection 12 (in Main Wiring Harness)

B849 

LIN Bus Connection 13 (in Main Wiring Harness)

* 

For Vehicles Without UNECE Cyber Security

*2 

Refer to the Applicable Convenience CAN Bus Network Data Bus Wiring Diagram

*3 

Refer to Applicable A/C System Wiring Diagram

*4 

For Vehicles with UNECE Cyber Security

*5 

From March 2024