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June 15, 2018 Service bulletin

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

Audi technical service bulletin A391821 2051558- for 2018 Audi Q5, 2018 Audi A5 and 2017-2018 Audi A4 Allroad and others.

Bulletin number
A391821 2051558-
Component
Power train: clutch assembly
Summary
This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.

Owners of these vehicles have filed 14 complaints in the transmission category.

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