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May 2, 2024 Emissions

Due to a software error in the transmission control unit in affected DSG transmissions, certain fault...

Audi technical service bulletin Circ 37P3_REV1 for 2023 Audi A4, 2023 Audi A6 and 2023 Audi Q5 and others.

Bulletin number
Circ 37P3_REV1 (37P3)
Component
Unknown or other
Summary
Due to a software error in the transmission control unit in affected DSG transmissions, certain fault codes that turn on the malfunction indicator lamp (MIL) cannot be cleared after completion of repairs to resolve the underlying problem with the transmission that turned on the MIL. This issue does not impact tailpipe emissions or vehicle drivability. Stored faults may prevent the vehicle from passing subsequent state inspection and maintenance testing.

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