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Service bulletin A3523442070217_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 id10242931
Published by NHTSA2023-10-05
Manufacturer's numberA3523442070217_1
Manufacturer's date2023-09-15
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

This bulletin provides information for when the Gearbox warning comes on, and various DTC memory entries are stored in the TCM.

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

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
AUDI A32017, 2018, 2019, 2020
AUDI A32022, 2023, 2024
AUDI RS 32017, 2018, 2019, 2020
AUDI RS 32022, 2023, 2024
AUDI S32018, 2019, 2020
AUDI S32022, 2023, 2024
AUDI TT2018, 2019, 2020, 2021, 2022, 2023
AUDI TT RS2018, 2019, 2020, 2021, 2022
AUDI TTS2019, 2020, 2021, 2022, 2023

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
Dealer 34L4 Rev22024-01-04. Service bulletin. Transmission Control Module (TCM) Software - Updated parts and claiming information
Circular34L4Rev22024-01-04. Service bulletin. Transmission Control Module (TCM) Software - Updated parts and claiming information
Dealer34L4_REV12023-12-07. Service bulletin. Transmission Control Module (TCM) Software - Updated repair steps after software update is completed. Added example photos of transmission damage.
Circ34L4_REV12023-12-07. Service bulletin. Transmission Control Module (TCM) Software - Updated repair steps after software update is completed. Added example photos of transmission damage.
Dealer 34L42023-09-01. Service bulletin. Dealer Letter to announce Repair Available - Service Action 34L4 / TCM Software
Circular 34L42023-09-01. Service bulletin. Audi is providing updated transmission control module (TCM) software to enhance an in-vehicle alert should a problem arise within the auxiliary hydraulic pump. Additionally, if a specific fault is found after the software is updated, a repair will be made to the transmission.
A3523432050723_32023-09-01. Service bulletin. This bulletin provides information for when Gearbox Malfunction Warning, DTC P0C2900, P176F00, P176E00 or P175E00 stored in the TCM.
A3020292060560_12020-09-03. Service bulletin. This bulletin contains instructions for when the clutch is slipping, there is a gearbox malfunction message, and the vehicle shudders on odd number digits (several DTCs could be stored as well).
A3720002060146_12020-08-06. Service bulletin. This bulletin contains a software update that addresses a brief but sudden increase in engine speed without DTCs or leaks.
A3720972059827_12020-07-07. Service bulletin. This bulletin contains a software update that addresses when Launch Control is inoperational.