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Service bulletins for the 2023 Audi A4 allroad

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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
A0124312072273_22024-08-06. Service bulletin. ENGINE. This bulletin provides information when the MIL is on; electric changeover valve N316 - P2004, P2006, P2014, P2015.
A0124302074640_12024-08-06. Service bulletin. ENGINE. This bulletin provides information when the defrost function deactivates after 5-10 seconds and/or MMI settings are lost.
A5724412071735_52024-06-25. Service bulletin. ENGINE. This bulletin provides information when there is an engine start system warning, or power unit start system warning, B200047.
A0124232073867_12024-06-25. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM.
A5724412071735_52024-06-25. Service bulletin. ENGINE. This bulletin provides information when there is an engine start system warning, or power unit start system warning, B200047.
A0124232073867_12024-06-25. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM.
A0124182072710_32024-05-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This Pending Service Solution (PSS) requests that technicians enter a record in the PSS database in instances where engine control unit drive system faults P060C00, and U041600 are stored.
A0124142071243_22024-04-04. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This bulletin provides information when there are whistling noises from the turbo charger at 1500 - 2200 RPM, and approximately 70% load.
A0124122071199_32024-04-04. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE. This bulletin provides information when the MIL is illuminated, P045600 Very Small Leak detected - NVLD.
A5724332071735_32024-03-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin provides information when DTC B200047 is stored, and the message Engine Start system warning, OR Power unit start system warning is displayed.
A0124092072710_22024-03-06. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This Pending Service Solutions (PSS) requests that technicians enter a record in the PSS database in instances where the Engine control unit drive system stores faults P060C00 and U041600.
A0124072071243_12024-02-06. Service bulletin. UNKNOWN OR OTHER; ENGINE. This bulletin provides information when whistling noises are heard from the turbocharger at 1500-2200 rpm and approximately 70% load on 4 cyl 2.0 TFSI.
A2024652069834_32024-02-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This repair authorization provides information on N80 purge line performance P04F000.
A9023572072065_12023-12-06. Service bulletin. ENGINE. This bulletin provides information when there are flickering lines in Audi virtual cockpit.
A3423642067653_42023-12-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for when "Gearbox Malfunction" and/or vehicle does not shift up or down, and/or vehicle is in limp mode home, and/or "reverse gear is unavailable" displayed in the instrument cluster, and/or "You can continue driving (functions limited" with DTCs P071800 and/or P276800 and possible in combination with DTC P081100 and/or P081E00.
A5723202071735_22023-11-06. Service bulletin. ENGINE. This bulletin provides information for when there is an Engine Start system warning, or Power Unit start system warning, B200047.
A0123842070571_22023-11-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. This bulletin requests that technicians create a Pending Service Solutions record in the Pending Service Solution database in instances where "drive System Fault" with DTC P060C00 Internal Control Module Performance is stored in the ECM.
AVIN4PIN202310012023-11-06. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING; SUSPENSION. 3.0L engine sound generator malfunctioning Air suspension warning - DTC P089200 charge handle doesn't release Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: Catalyst System, Bank1 Efficiency Below" Coolant leak from expansion tank Corrosion inside door module Fuel pressure low. DTC P008700 Leak from oil pan Low coolant warning in cluster, coolant level is correct Noise from belt tensioner damper Noise from front door trim panel while driving Vehicle will not charge
A3923562059057_62023-11-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when there are vibrations or binding in tight turns with quattro Ultra.
A1923442071515_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when there is a coolant leak on a 2.0L engine.
A0023712070568_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
A4023672047920_72023-09-01. Service bulletin. ENGINE. This bulletin provides information when there are noises from the front end and dash panel when the vehicle is moving.
A0123622070915_12023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for a loose engine oil filler cap is loose, DTCs P06800, P227900, P050700.
A1023262018288102023-07-10. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on checking for debris when replacing an engine.

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