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Service bulletin TSB_2074703_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 id11017626
Published by NHTSA2025-05-03
Manufacturer's numberTSB_2074703_2
Manufacturer's date2025-04-10
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This bulletin provides information when there is a drive system fault: power electronics control unit, electric drive P0A1B-41448 (0051), 42297 (00CE)-P18F1.

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

Trouble codes named

P0A1B, P18F1

Vehicles listed
AUDI Q4 E-TRON2022 to 2024
AUDI Q4 SPORTBACK E-TRON2022 to 2024

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