BENTLEY

2078544/1

2025-07-21 · NHTSA 11020979

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

Manufacturer summary

Original wording in English

DTC B1765F1 - "Active noise cancelling basic settings not performed" (Bang & Olufsen) | Flying Spur | 26MY. Condition: For vehicles with a Bang & Olufsen sound system, the following DTC may be stored in the control module 005F (Information Electronics 1): • B1765F1 – Active Noise Cancelling: Basic Settings Not Performed This may be accompanied by customer complaints of diminished active noise cancelling, or a warning in the diagnostic log after a module replacement or software update.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.