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Service bulletins for the 2021 Audi S7

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.

1147 on file from NHTSA, as of 2026-10-19.

About U0469 on the 2021 Audi S7: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: U0469 are shown. Show all

Bulletins, newest first
TSB_2073284_42025-04-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an MHEV Electrical System Fault with DTC U046900 / 34763; U002900/U002800.
A2724772073284_32024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an MHEV Electrical System Fault with DTC U046900 / 34763; U002900/U002800.
A2724732073284_22024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when an Electrical System Fault is stored with DTC U046900 / 34763; 48V MHEV.
A2724732073284_22024-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when an Electrical System Fault is stored with DTC U046900 / 34763; 48V MHEV.
AVIN4PIN202311102023-12-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Noise from front door trim panel while driving Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 3.0L engine sound generator malfunctioning Fuel pressure low. DTC P008700 "Check engine lamp on, DTC P042000: Catalyst System,Bank1 Efficiency Below Front window inoperative Air suspension warning - DTC P089200 charge handle doesn't release vehicle will not charge Coolant leak from expansion tank noise from belt tensioner damper coolant reservoir cap broken Coolant pump leaking 48V BSG DTC U046900 / 36564: Invalid Data Received from Starter/Generator
A2723512058831_72023-04-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900.
A2723492058831_62023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for DTC P0CA700 or U046900.
A2722452058831_12022-10-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900.
A2722412058831_42022-04-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin contains a software update for DTC P0CA700 or U046900.
A2721402058831_32022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for DTC P0CA700 or U046900.
A2721372058831_22021-05-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for DTC P0CA700 or U046900.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.