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Service bulletin A4620192061331_1

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 id10183457
Published by NHTSA2020-12-04
Manufacturer's numberA4620192061331_1
Manufacturer's date2020-11-18
NHTSA componentSERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

This bulletin contains instructions for addressing an ABS warning light with DTCs C050200 and/or C050800.

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, Anti-lock brakes

Trouble codes named

C0502, C0508

Vehicles listed
AUDI A42017, 2018, 2019, 2020, 2021
AUDI A52018, 2019, 2020, 2021
AUDI A5 CABRIOLET2018 to 2021
AUDI RS 52018, 2019
AUDI RS 52020
AUDI RS 52021
AUDI S42017
AUDI S42018, 2019, 2020, 2021
AUDI S52018, 2019, 2020, 2021
AUDI S5 CABRIOLET2018 to 2021

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

Other bulletins for the same vehicles and component
A4523362072304_12024-01-04. Service bulletin. This bulletin provides information for when the ABS/ESC speed sensor has an implausible signal.
A4623452070679_12023-07-10. Service bulletin. This bulletin provides information for when one or more DC is stored in the ABS control unit related to the parking switch; DTC C100C07 and/or C100C29.