WenmarOpen by Wenmar Pro

Service bulletins for the 2023 Audi A4

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.

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

By type

By component

By trouble code

Only bulletins with component: Glass, wipers and mirrors are shown. Show all

Bulletins, newest first
TSB_2020552_152026-10-05. Service bulletin. VISIBILITY/WIPER. This bulletin provides service information regarding exterior glass cleaning.
TSB_20741717_152026-09-04. Service bulletin. VISIBILITY/WIPER. This bulletin provides information on the GFF test plan required for AC compressor replacements regardless of the concern.
TSB_2067557_22026-06-04. Service bulletin. VISIBILITY/WIPER. This bulletin provides informaiton when the windscreen/rear window washer pump is not working (B126101, B126113).
TSB_2067716_32026-02-06. Service bulletin. VISIBILITY/WIPER. This bulletin provides information when the air conditioner is not working, or has a restricted function; leak at the O-ring.
TSB_2080034_12025-12-05. Service bulletin. VISIBILITY/WIPER. This bulletin provides information when the AC is not workoing; leak on air conditioner compressor.
TSB_2041717_142025-10-03. Service bulletin. VISIBILITY/WIPER. This bujlletin provides information regarding the GFF test plan required for A/C compressor replacements regardless of the concern.
TSB_2078939_12025-09-04. Service bulletin. VISIBILITY/WIPER. This bulletin provides information when there DTC P218500 is stored in temerature sender G83.
TSB_2078655_22025-08-05. Service bulletin. VISIBILITY/WIPER. This bulletin provides information when buttons on the air conditioning operating unit are not working.
TSB_2078655_12025-08-05. Service bulletin. VISIBILITY/WIPER. This bulletin provides information when buttons on the air conditioning operating unit are not working.
TSB_2061922_42025-05-03. Service bulletin. VISIBILITY/WIPER. This TSB provides information on proper documentation for visual complaints regarding the headlights and taillights.
TSB_2041717_132025-04-04. Service bulletin. VISIBILITY/WIPER. This bulletin provides information regarding the GFF test plan required for A/C compressr replaements regardless of the concern.
A9224402065963_32024-09-06. Service bulletin. VISIBILITY/WIPER. This bulletin provides information on repairing the corrugated hose for the windshield washer system.
A9224402065963_32024-09-06. Service bulletin. VISIBILITY/WIPER. This bulletin provides information on repairing the corrugated hose for the windshield washer system.
A8224002041717_102024-08-06. Service bulletin. VISIBILITY/WIPER. This bulletin provides informatin for the GFF test plan that is requied for AC compressor replacements.
A8724702064077_42024-04-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A7024892044417_12024-04-04. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This bulletin provides information when there are noises from the headliner/sunroof area.
A8723602064077_32023-11-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A9223372056963_22023-11-06. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin provides information on repairing the corrugated hose for the windshield washer system.
A6023682063187_42023-11-06. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This bulletin provides information for when the outer perimeter seal is loose on the panoramic sunroof opening.
A6423942070094_22023-10-05. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. This bulletin provides information for when the rear window reverses direction at upper stop. DTC: B148754 stored in door module.
A8723522063575_32023-09-01. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY. This bulletin provides information for when the Air conditioning does not cool, DTC B10AE21.
A8723512064077_22023-09-01. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A8723452041717_92023-08-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information on the GFF test plan required when replacing the A/C compressor.
A6423922020552_12023-08-04. Service bulletin. VISIBILITY. This bulletin provides information for when exterior glass cleaning is needed.
A9223352038151142023-06-06. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. This bulletin provides instructions for when the washer level warning is on but the reservoir is full.

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