Audi TSB #Dealer 90T2_REV

2020 Audi S4

TSB Document:

Affected Component: COMMUNICATION

Summary
Update the emergency call module control unit and communication unit software. Added claiming and work instructions in the event an Emergency Call Module Control Unit and Communication Unit is faulty.

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Date Published
MAR 23, 2022
NHTSA TSB #
10209279
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