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Service bulletins for the 2020 Audi SQ8

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.

1022 on file from NHTSA, as of 2026-10-19.

About C12B3 on the 2020 Audi SQ8: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: C12B3 are shown. Show all

Bulletins, newest first
TSB_2054202_82026-10-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an Audi adaptive light system malfunction; DTC C12B3FA is stored in the control module for driver assistance systems.
TSB_2054202_72026-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the Audi adaptive light system malfunctions; DTC C12B3FA is stored in the control module.
TSB_2059201_92025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when high beam assist, or traffic sign detection limited, DTC C12B3FD may be stored in the DAS control module.
TSB_2054202_62025-11-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaton when there is an adaptive light system malfunction; DTC C12B3FA stored in the control module for driver assistance systems.
A9624112059201_82024-12-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when high beam assist, or traffic sign detection limited, DTC C12B3FD may be stored in the DAS control module.
A9623852059201_62023-05-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. This bulletin contains information for when the message appears in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
A9622772059201_52022-05-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains information for when the messages appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
A9622752054202_52022-02-04. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE LIGHTING; EQUIPMENT. This bulletin contains repair information for when there is an Audi adaptive light fault with DTCs C12B3FA.

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