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August 21, 2020 Service bulletin

This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up...

Audi technical service bulletin A3920352051558_4 for 2018-2019 Audi A4, 2018-2020 Audi A6 and 2018-2019 Audi Q5 and others.

Bulletin number
A3920352051558_4
Component
Equipment
Summary
This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.

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