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Service bulletin SM 38-2020

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10176939
Published by NHTSA2020-07-07
Manufacturer's numberSM 38-2020
Manufacturer's date2020-06-25
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES

NHTSA's summary

This special notice is to inform dealers to return the part number listed and only order the superseded part number going forward.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Equipment and accessories, Labels and manuals

Vehicles listed
AUDI A3 ETRON2019 to 2020
AUDI E-TRON2019
AUDI E-TRON2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20261872026-04-15. Brakes
20246702024-11-04. Brakes
20244842024-08-19. Brakes
24V6210002024-08-19. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
20236592023-12-13. Accessories

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_2069904_22025-11-08. Service bulletin. This bulletin provides information for all models regarding brake sounds.
TSB_2075120_22025-11-08. Service bulletin. This bulletin provides information regarding the general approach for all Audi vehicles regarding brake vibrations.
TSB_2072304_32025-11-08. Service bulletin. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal.
TSB_2069078_32025-11-08. Service bulletin. This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only).
TSB_2067132_32025-11-08. Service bulletin. This bulletin provides information when there is corrosion on the friction survace of steel brake discs.
A4624592069078_22024-10-28. Service bulletin. This bulletin provides informaion regarding zirconium inserts in the bake piston for vehicle equipped with ceramic brakes.
A4524512061908_52024-10-28. Service bulletin. This bulletin provides information when there are warning messages in instrument cluster, DTC P060C00 or DTC C051F00 are stored in the electric drive or ABS modules.
A4524492075120_12024-10-28. Service bulletin. This bulletin provides information regarding the general approach to brakes rubbing.
A4524452072977_32024-08-06. Service bulletin. This bulletin provide sinformation when the ABS/ESC Control unit cannot be reached; DTC U012100 "ABS Control Module no communication."
A9124992073629_12024-05-07. Service bulletin. This bulletin provides information when the Apple CarPlay connection is dropped repeatedly in short intervals.