# Service bulletins for the 2021 Audi A8 L e 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. 872 bulletins from NHTSA, as of 2026-10-19. - [TSB\_2083409\_1](/bulletins/11038130.md), 2026-10-05, Service bulletin: UNKNOWN OR OTHER. This bulletin states that technicians are required to report to the manufacturer when a vehicle has flooded, and specify the height to which the vehicle has been flooded. - [TSB\_2081030\_4](/bulletins/11038090.md), 2026-10-05, Service bulletin: ENGINE. This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI. - [TSB\_2079747\_3](/bulletins/11038066.md), 2026-10-05, Service bulletin: STRUCTURE:BODY. This bulletin provides information regarding various complaints about front or rear door locks. - [TSB\_2079214\_4](/bulletins/11038061.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding fault finding and repair information for electric tailgate. - [TSB\_2078648\_4](/bulletins/11038056.md), 2026-10-05, Service bulletin: STRUCTURE:BODY. This bulletin provides information about billing for a broken sunroof glass panel. - [TSB\_2076396\_3](/bulletins/11038046.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding driver assist systems; Audi adaptive light, Audi pre sense system fault, adaptive cruise assist inop \(DTC C12D5FA\). - [TSB\_2074059\_4](/bulletins/11038040.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides general information about SOS Emergency Assist. - [TSB\_2073860\_2](/bulletins/11038039.md), 2026-10-05, Service bulletin: STRUCTURE:BODY. This bulletin provides information when there are stails/marks on the sill panel trim. - [TSB\_2068573\_6](/bulletins/11038032.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message. - [TSB\_2065871\_4](/bulletins/11038031.md), 2026-10-05, Service bulletin: STEERING. This bulletin provides informaiton when DTC B200FF0 is stored. - [TSB\_2063336\_5](/bulletins/11038030.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when DTC C12BFF0 is stored in the lane change modeul or the radar sensor; intersection assist/lane change assist are inoperable. - [TSB\_2058077\_11](/bulletins/11038029.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there is an Audi pressense warning, warning jolt, and/or brake engagement. - [TSB\_2054202\_8](/bulletins/11038028.md), 2026-10-05, 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\_2052680\_2](/bulletins/11038027.md), 2026-10-05, Service bulletin: UNKNOWN OR OTHER. This bulletin provides information for reporting safety related information to the manufacturer. - [TSB\_2030471\_9](/bulletins/11038025.md), 2026-10-05, Service bulletin: UNKNOWN OR OTHER. This bulletin provides information when the license plate mounting bracket threded inserts are stripped. - [TSB\_2020552\_15](/bulletins/11038024.md), 2026-10-05, Service bulletin: VISIBILITY/WIPER. This bulletin provides service information regarding exterior glass cleaning. - [TSB\_2081030\_3](/bulletins/11036938.md), 2026-09-04, Service bulletin: ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI. - [TSB\_2079732\_2](/bulletins/11036934.md), 2026-09-04, Service bulletin: UNKNOWN OR OTHER. This bulletin provides information when there is a paint issue on alloy wheels. - [TSB\_2078648\_3](/bulletins/11036926.md), 2026-09-04, Service bulletin: STRUCTURE:BODY. This service information TSB provides warranty coverage information for vehicles with a broken sunroof panel. - [TSB\_2074436\_3](/bulletins/11036917.md), 2026-09-04, Service bulletin: UNKNOWN OR OTHER. This bulletin provides information when the horn sound quality is poor. - [TSB\_2072304\_4](/bulletins/11036914.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal. - [TSB\_2069331\_8](/bulletins/11036910.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096. - [TSB\_2069078\_4](/bulletins/11036909.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information on the zirconium insercts in the brake piston \(ceramic brakes only\). - [TSB\_2063546\_5](/bulletins/11036903.md), 2026-09-04, Service bulletin: STEERING. This bulletin provides service infomraiton regardin gthe identifaction of noises with dynamic steering. - [TSB\_2082846\_1](/bulletins/11035854.md), 2026-08-05, Service bulletin: UNKNOWN OR OTHER. This bulletin provides a statement regarding the bottleneck of supply for VW approved oil types VW 504.00 and VW 507.00. 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