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Service bulletins for the 2024 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.

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

By type

By component

By trouble code

Bulletins, newest first
A0123022072273_12024-01-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the MIL is on; one or more DTCs stored; P200400, P200600, P201400, P201500.
A0123012071945_22024-01-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides information when the exhaust warning light is illuminated; engine starter relay test plan DTC P000000.
A9123512065728_62023-12-06. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM; COMMUNICATION:MANUFACTURER TELEMATICS. This bulletin provides information when the MMI screen is blank in MIB3 with Apple CarPlay.
A9123462064681_42023-12-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the wireless charging does not work.
A9023572072065_12023-12-06. Service bulletin. ENGINE. This bulletin provides information when there are flickering lines in Audi virtual cockpit.
A9023562032113_82023-12-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides general information about the outside air temperature reading.
A9023532058077_82023-12-06. Service bulletin. SERVICE BRAKES; BACK OVER PREVENTION: WARNINGS. This bulletin provides information for when there is a warning, warning jolt and/or brake engagement with Audi pre sense.
A9023522059891_52023-12-06. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. This bulletin provides information for the Audi pre sense restricted function icon displayed after the engine is started.
A6623042030471_72023-12-06. Service bulletin. STRUCTURE. This bulletin provides information for when the license plate mounting bracket threaded inserts are stripped.
A5723232071691_22023-12-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This bulletin provides information in instances where the keyless entry does not work during remote start.
A2723622069747_52023-12-06. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides information on document requirements before replacement of the vehicle 12 V battery when it is is drained.
A9123432071056_22023-12-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when Outlook contacts are not accessible via the MMI when using Apple devices with MIB3.
A0123902071945_12023-12-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides information for when there is an exhaust warning light; DTC P000000 engine starter relay test plan.
A0023812070568_22023-12-06. Service bulletin. EQUIPMENT. This bulletin provides information on the VAS 611 015 PICO-NVH tool for professional noise analysis.
A9623882064285_22023-11-06. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin provides information for when the button for the rear dome light is stuck or inoperative.
A9423672071954_12023-11-06. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
A0023802071338_32023-11-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides information for when a replacement control module cannot be coded.
A9023482071920_12023-11-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin advises that it is normal that certain navigation instructions are not displayed on the HUD.
A9023452064983_62023-11-06. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when the Virtual cockpit displays a colorful line (pixel error).
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.
A6623032060333_42023-11-06. Service bulletin. STRUCTURE:BODY. This bulletin provides information for when the black optic trim is discolored.
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.
A5723182071336_22023-11-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This bulletin provides information for when keys cannot be adapted and the message "Status: 13 / Security access denied" is displayed in the tester.
A5723172071735_12023-11-06. Service bulletin. ENGINE; ELECTRICAL SYSTEM:WIRING:POWER DISTRIBUTION MODULE/IPDM. This bulletin provides information for when there is an Engine Start system warning, or Power Unit start system warning, B200047.
A5523802067818_22023-11-06. Service bulletin. ELECTRICAL SYSTEM:ADAS:REAR OCCUPANT ALERT (ROA):CONTROL MODULE. This bulletin provides information for when the gesture-controlled rear lid is not working, B13034A.

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