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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> OEM Wiring Diagrams >> Wiring Diagrams >> MMI (Information Electronics 1) >> Digital Sound System Control Module, Data Bus on Board Diagnostic Interface, Information Electronics Control Module 1

Digital Sound System Control Module, Data Bus on Board Diagnostic Interface, Information Electronics Control Module 1

G00610560Courtesy of AUDI OF AMERICA, LLC

J525 -  Digital Sound System Control Module

J533 -  Data Bus on Board Diagnostic Interface

J794 -  Information Electronics Control Module 1

T12ac -  12-Pin Connector, Gray

T17f -  17-Pin Connector, Red

T17fx -  17-Pin Connector, Red

T38a -  38-Pin Connector, Black

T54 -  54-Pin Connector

TALU -  Coupling Point on Left A-Pillar, Bottom

A178 -  Infotainment CAN Bus High Connection (in Instrument Panel Wiring Harness)

A179 -  Infotainment CAN Bus Low Connection (in Instrument Panel Wiring Harness)

A225 -  Infotainment CAN Bus High Connection 2 (in Instrument Panel Wiring Harness)

A226 -  Infotainment CAN Bus Low Connection 2 (in Instrument Panel Wiring Harness)

E146 -  Connection 2 (CAN Bus Information Electronics Control Module 1, High)

E148 -  Connection 2 (CAN Bus Information Electronics Control Module 1, Low)

* -  For Vehicles with Bang & Olufsen Sound System

*2 -  Refer to Applicable Communication Wiring Diagram

*3 -  Refer to Applicable Sound System Wiring Diagram