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December 22, 2021 Service bulletin

This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank.

Audi technical service bulletin A1921262061918_4 for 2017-2022 Audi A4, 2017-2022 Audi A6 and 2017-2021 Audi Q5 and others.

Bulletin number
A1921262061918_4
Component
Equipment: other: owners/service/other manual
Summary
This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank.

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