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TSB_2074258_1

Manufacturer communications

Publication date
2026-08-21
Received by NHTSA
2026-09-04
NHTSA record numbers
11036916

Manufacturer summary

Original wording in English

This bulletin provides information when the yellow electrical system warning lamp is illuminated; DTC B1581F4, B168A00.

NHTSA manufacturer communications ↗

Reported code forms

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
AudiQ4 E-TRON2024
AudiQ4 SPORTBACK E-TRON2024

Data coverage →