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Service bulletins for the 2018 Audi A3

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.

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

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Only bulletins with component: Driver assistance 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.
A9124782055026_72024-03-06. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM. This bulletin provides information for certain vehicles when the rearview camera/overhead view camera does not turn on.
A9123062024323102024-01-04. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This bulletin provides information when the parking assistance provides false warnings.
A4523362072304_12024-01-04. Service bulletin. UNKNOWN OR OTHER; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; ELECTRICAL SYSTEM:ADAS:HILL DESCENT ASSIST:SENSOR. This bulletin provides information for when the ABS/ESC speed sensor has an implausible signal.
A9121042024323_82021-06-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
A9121992055026_62021-06-03. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This bulletin contains a software update for when the rearview/overhead view camera and the optical parking aid are sporadically not switched on when moving into reverse
A9120352055026_52020-12-04. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. This bulletin contains a software update for when the rearview/overhead view camera and the optical parking aid are sporadically not switched on when moving into reverse
A9120142060675_12020-10-06. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; EQUIPMENT:ELECTRICAL. This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'.
A3920332043144_72020-08-06. Service bulletin. POWER TRAIN:DRIVELINE:HYDRAULIC:MOTOR/PUMP; ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE. This technical service bulletin provides repair instructions for the all-wheel drive coupling.
A3420432047609_22020-03-05. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC). This bulletin contains repair instructions for when a 'vehicle eletronics malfunction' message appears in the display (DTC B116229).

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