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
| A9424792063739_2 | 2024-05-07. Service bulletin. EXTERIOR LIGHTING. This bulletin provides information when the headlights do not turn off during daylight hours. |
|---|---|
| Circular 37P3 | 2024-05-07. Service bulletin. UNKNOWN OR OTHER. Due to a software error in the transmission control unit in affected DSG transmissions, certain fault codes that turn on the malfunction indicator lamp (MIL) cannot be cleared after completion of repairs to resolve the underlying problem with the transmission that turned on the MIL. This issue does not impact tailpipe emissions or vehicle drivability. Stored faults may prevent the vehicle from passing subsequent state inspection and maintenance testing. |
| Dealer 37P3 | 2024-05-07. Service bulletin. UNKNOWN OR OTHER. Due to a software error in the transmission control unit in affected DSG transmissions, certain fault codes that turn on the malfunction indicator lamp (MIL) cannot be cleared after completion of repairs to resolve the underlying problem with the transmission that turned on the MIL. This issue does not impact tailpipe emissions or vehicle drivability. Stored faults may prevent the vehicle from passing subsequent state inspection and maintenance testing. |
| A9424762073332_2 | 2024-05-07. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when there is noise when steering. |
| A9124992073629_1 | 2024-05-07. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information when the Apple CarPlay connection is dropped repeatedly in short intervals. |
| A9124982073627_1 | 2024-05-07. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when there is a wrong way driver warning in the MMI with MIB3. |
| A9124022062466_5 | 2024-05-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. This bulletin provides information when Apple CarPlay cannot be started using the Wi-Fi connection (Wireless Carplay). |
| A9024852073747_1 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when there are scratches, or a coating on the cover of the instrument cluster, or particles in the housing. |
| A9024842032113_9 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides general information regarding outside air temperature readings. |
| A9024832059335_5 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when there is noise from around the instrument cluster. |
| A7224542072225_2 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This Pending Service Solution (PSS) requests that technicians enter a record into the PSS Database in instances where there is noise from the backrest of the front seat. |
| A5724392073601_2 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the message Safe CP is in the cluster, with DTC U110100, C114E54. |
| A5724382073135_4 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when there is an Engine Start system warning or Power unit start system warning, B200047. |
| A9124942073582_1 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides general troubleshooting for connection complaints related to Apple CarPlay. |
| A9124932059528_8 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the DTC B200096 or B200000 is stored in the telematics control module; ConBox High. |
| A9124902073135_2 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This Pending Service Solution (PSS) requests that technicians create a PSS Database record in instances where the radio favorites are lost/shortcuts are greyed out in vehicles with MIB3. |
| A5724362073601_1 | 2024-05-06. 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. |
| A5724342017082_1 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the remote control key is inoperative. |
| A3924602059057_8 | 2024-05-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is binding or vibrations in tight turns in vehicles equipped with quattro Ultra. |
| A2724712067906_5 | 2024-05-06. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when DTC P0A7D00 is stored. |
| A0124182072710_3 | 2024-05-06. 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. |
| SM 19-2024 | 2024-04-05. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided. |
| A942473201274917 | 2024-04-05. Service bulletin. EXTERIOR LIGHTING; UNKNOWN OR OTHER. This bulletin provides information when the exterior lights have moisture accumulation. |
| A8724702064077_4 | 2024-04-04. 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_1 | 2024-04-04. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This bulletin provides information when there are noises from the headliner/sunroof area. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.