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Service bulletins for the 2020 Audi A4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1073 on file from NHTSA, as of 2026-10-19.

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Only bulletins with type: Warranty extension are shown. Show all

Bulletins, newest first
AWA 24-042024-06-25. Warranty extension. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction of the AEB system’s control unit, camera(s), LIDAR, and/or sensor(s) which enable automatic emergency braking functionality.
AWA 24-042024-06-25. Warranty extension. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction of the AEB system’s control unit, camera(s), LIDAR, and/or sensor(s) which enable automatic emergency braking functionality.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.