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Service bulletins for the 2024 Audi S4

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.

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

About U1101 on the 2024 Audi S4: 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: U1101 are shown. Show all

Bulletins, newest first
A5724552073601_52024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the message "Safe CP" appears in the cluster, DTC U110100; C115E54, U111800.
A5724552073601_52024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the message "Safe CP" appears in the cluster, DTC U110100; C115E54, U111800.
A5724472073601_42024-08-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informatoim when the message "Safe CP" appears in the cluster; DTC U110100, C115E54, U111800.
A5724392073601_22024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the message Safe CP is in the cluster, with DTC U110100, C114E54.
A5724362073601_12024-05-06. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information when the message Safe CP appears in the instrument cluster; DTC U110100; C115E54.
A5724322072587_22024-03-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Pending Service Solution (PSS) requests that technicians create a record in the PSS database in instances where the message Safe CP is in the instrument cluster and DTC U110100, C115E54 is stored.
A5724292072587_12024-02-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin requests that technicians create a PSS record in the Pending Service Solutions Database in instance where Safe CP showing in the instrument cluster with DTC U110100.

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