# Service bulletin A4623492067132\_2 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. - Type: Service bulletin - NHTSA id: 10242945 - Published by NHTSA: 2023\-10\-05 - Manufacturer's number: A4623492067132\_2 - Manufacturer's date: 2023\-09\-15 - NHTSA component: SERVICE BRAKES ## NHTSA's summary This bulletin provides information on for when there is corrosion on the friction surface of a steel brake disc. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242945-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242945-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Brakes ## Vehicles listed - 2015 to 2020 AUDI A3 - 2022 to 2025 AUDI A3 - 2015 to 2025 AUDI A4 - 2020 to 2025 AUDI A4 ALLROAD - 2015 to 2025 AUDI A5 - 2015 to 2025 AUDI A5 CABRIOLET - 2015 to 2025 AUDI A6 - 2020 to 2024 AUDI A6 ALLROAD - 2015 to 2025 AUDI A7 - 2021 to 2022 AUDI A7 E - 2015 to 2020 AUDI A8 - 2021 to 2025 AUDI A8 - 2020 AUDI A8 L E - 2021 AUDI A8 L E - 2019 AUDI E\-TRON - 2021 to 2023 AUDI E\-TRON - 2024 to 2025 AUDI E\-TRON - 2022 to 2024 AUDI E\-TRON GT - 2025 AUDI E\-TRON GT - 2015 to 2025 AUDI Q3 - 2022 to 2024 AUDI Q4 E\-TRON - 2025 AUDI Q4 SPORTBACK E\-TRON - 2015 to 2025 AUDI Q5 - 2024 to 2025 AUDI Q5 E - 2015 to 2016 AUDI Q5 HYBRID - 2020 to 2023 AUDI Q5 PHEV - 2015 AUDI Q7 - 2017 to 2025 AUDI Q7 - 2019 to 2025 AUDI Q8 - 2015 AUDI R8 - 2017 to 2018 AUDI R8 - 2020 to 2023 AUDI R8 - 2017 to 2020 AUDI RS 3 - 2022 to 2025 AUDI RS 3 - 2018 to 2019 AUDI RS 5 - 2021 to 2025 AUDI RS 5 - 2015 AUDI RS 5 CABRIOLET - 2021 to 2025 AUDI RS 6 AVANT - 2015 to 2018 AUDI RS 7 - 2021 to 2025 AUDI RS 7 - 2022 to 2024 AUDI RS E\-TRON GT - 2020 to 2025 AUDI RS Q8 - 2015 AUDI RS5 - 2026 AUDI S E\-TRON GT - 2015 to 2020 AUDI S3 - 2022 to 2025 AUDI S3 - 2015 AUDI S4 - 2018 to 2025 AUDI S4 - 2015 to 2025 AUDI S5 - 2015 to 2025 AUDI S5 CABRIOLET - 2015 to 2018 AUDI S6 - 2020 to 2025 AUDI S6 - 2015 to 2018 AUDI S7 - 2020 to 2025 AUDI S7 - 2015 to 2018 AUDI S8 - 2020 to 2025 AUDI S8 - 2015 to 2025 AUDI SQ5 - 2020 to 2025 AUDI SQ7 - 2020 to 2025 AUDI SQ8 - 2015 to 2023 AUDI TT - 2018 to 2022 AUDI TT RS - 2015 to 2023 AUDI TTS ## Recalls for the same vehicles and component - [23V601000](/recalls/nhtsa/23V601000.md), 2023-08-25: SERVICE BRAKES, HYDRAULIC:FLUID - [2023286](/recalls/tc/2023286.md), 2023-05-12: Brakes - [20V786000](/recalls/nhtsa/20V786000.md), 2020-12-16: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES - [2019235](/recalls/tc/2019235.md), 2019-05-17: Brakes - [2019173](/recalls/tc/2019173.md), 2019-04-08: Brakes - [19V277000](/recalls/nhtsa/19V277000.md), 2019-04-08: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER - [2018292](/recalls/tc/2018292.md), 2018-06-01: Brakes - [18V369000](/recalls/nhtsa/18V369000.md), 2018-06-01: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER ## Other bulletins for the same vehicles and component - [TSB\_2079459\_2](/bulletins/11038064.md), 2026-10-05, Service bulletin: SERVICE BRAKES. This bulletin provides information when the DTC U300100 is logged I n the electromechanical brake servo. - [TSB\_2077435\_3](/bulletins/11036924.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information when there are cracks on the friction ring surface on ceramic brake discs. - [TSB\_2075120\_3](/bulletins/11036921.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information about the general approach for brake vibration concerns. - [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\_2069904\_3](/bulletins/11036911.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information for all models regarding brake sounds. - [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\_2067132\_4](/bulletins/11036906.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information when there is corrosion on the friction survace of steel brake discs. - [TSB\_2081760\_1](/bulletins/11032199.md), 2026-05-05, Service bulletin: SERVICE BRAKES. This bulletin provides informaiton when the ABS/ESP intervenes early at low speeds. - [TSB\_2072305\_3](/bulletins/11029376.md), 2026-03-03, Service bulletin: SERVICE BRAKES. This bulletin provides information when the MIL is on; DTC P258B00 or P055600. - [TSB\_2034143\_11](/bulletins/11027374.md), 2026-01-07, Service bulletin: SERVICE BRAKES. This Repair Authorization requests that technicians contact the Technical Assistance Center before proceeding with any brake repairs on vehicles with Cceramic brakes. 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