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Service bulletin TSB_2078548_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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11032152
Published by NHTSA2026-05-05
Manufacturer's numberTSB_2078548_2
Manufacturer's date2026-04-23
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This TSB provides instructions for the combined baseline updates, and software version management.

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

Electrical system

Vehicles listed
AUDI A32025, 2026
AUDI A42025
AUDI A4 ALLROAD2025
AUDI A5 SPORTBACK2025
AUDI A62025
AUDI A6 ALLROAD2025, 2026
AUDI A6 SPORTBACK E-TRON2025
AUDI A72025
AUDI A82025 to 2026
AUDI E-TRON GT2025 to 2026
AUDI Q32025
AUDI Q4 E-TRON2025
AUDI Q4 SPORTBACK E-TRON2025
AUDI Q52025
AUDI Q5 E2025
AUDI Q5 SPORTBACK2025
AUDI Q6 E-TRON2025
AUDI Q72025, 2026
AUDI Q82025, 2026
AUDI RS 32026
AUDI RS 5 SPORTBACK2025 (the catalog's model; the bulletin names a series or trim of it)
AUDI RS 6 AVANT2025, 2026
AUDI RS 72025, 2026
AUDI RS E-TRON GT2025, 2026
AUDI RS Q82025, 2026
AUDI S32025, 2026
AUDI S42025
AUDI S5 SPORTBACK2025
AUDI S62025
AUDI S6 SPORTBACK E-TRON2025
AUDI S72025
AUDI S82025, 2026
AUDI SQ52025
AUDI SQ5 SPORTBACK2025 (the catalog's model; the bulletin names a series or trim of it)
AUDI SQ6 E-TRON2025 (the catalog's model; the bulletin names a series or trim of it)
AUDI SQ72025, 2026
AUDI SQ82025, 2026

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
TSB_2083444_12026-10-05. Service bulletin. This TSB prvoides informaiton when there is a distance warning + ACC is not available/Audi pre sense fault; DTC U101400, B203200.
TSB_2083188_12026-10-05. Service bulletin. This bulletin is a help guide for Audi connect remote start.
TSB_2083184_12026-10-05. Service bulletin. This bulletin provides information when charging does not start when connected to poor grid/when near production facilities - Q6/A6 e-tron.
TSB_2082908_22026-10-05. Service bulletin. This bulletin provides information when the 12V battery is discharged due to bus wake-ups by the high-voltage charging unit.
TSB_2082387_22026-10-05. Service bulletin. This bulletin provides information when there is a driver system fault, or an MIL - DTC P060C00 symptom 1301 and P162400 in J1312 (address word 812C).
TSB_2082226_42026-10-05. Service bulletin. This bulletin is an aid supportin gthe combined softare update 03.11.00/C (28.14.01) KD2*.
TSB_2082223_52026-10-05. Service bulletin. This bulletin provides information regarding software update KD2* 03.11.00/C (28.14.01).
TSB_2082223_42026-10-05. Service bulletin. This bulletin provides information regarding software update KD2* 03.11.00/C (28.14.01).
TSB_2081690_32026-10-05. Service bulletin. This Pending Service Solution (PSS) requests that technicians enter a record in the PSS Database when there is a battery cell electrical fault, temperature sender implausible signal.
TSB_2081477_72026-10-05. Service bulletin. This bulletin provides an overview of the combined software updates for cluster 3; PPE/PPC.