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Service bulletins for the 2023 Audi SQ8

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.

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

About P2ADF on the 2023 Audi SQ8: 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: P2ADF are shown. Show all

Bulletins, newest first
TSB_2071318_62025-06-03. Service bulletin. ENGINE. This bulletin provides informatino when the MIL is on, whistlingnoise, leaking air Bank 2 - DTC P2ADF00, Engine Crankcase breather.
A0124422071318_52024-11-06. Service bulletin. ENGINE. This bulletin provides informatino when the MIL is on, whistlingnoise, leaking air Bank 2 - DTC P2ADF00, Engine Crankcase breather.
A0123922071318_42023-12-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the MIL is on, and a whistling noise is heard with DTC P2ADF00.
A0123872071318_32023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin provides information for when the MIL is on, there is a whistling noise, leaking air Bank 2 - DTC P2ADF00, Engine Crankcase breather.
A0123782071318_22023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin provides information for when the MIL is on, there is a whistling noise, leaking air Bank 2 - DTC P2ADF00, Engine Crankcase breather.
A0123722071318_12023-09-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin provides information for when the MIL is on and a whistling noise can be heard, DTC P2ADF00.

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