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: Fuel system are shown. Show all
| TSB_2081573_4 | 2026-08-05. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible. |
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| TSB_2081573_3 | 2026-08-05. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible. |
| TSB_2078916_3 | 2026-07-07. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when the fuel tank cap seal is leaking; DTC P044200, P045600 and/ or P00EF00 in stored in the ECM. |
| TSB_2079461_3 | 2026-01-07. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when the DTC P014800 or P008700 stored in ECM; Fuel System. |
| TSB_2079903_1 | 2025-12-05. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when there is difficulty fueling, gas pump clicks off before the tank is full. |
| TSB_2079461_2 | 2025-12-05. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when the DTC P014800 or P008700 stored in ECM; Fuel System. |
| TSB_2078916_2 | 2025-11-08. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when the fuel tank cap seal is leaking; DTC P044200, P045600 and/ or P00EF00 in stored in the ECM. |
| TSB_2079461_1 | 2025-11-08. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when the DTC P014800 or P008700 stored in ECM; Fuel System. |
| TSB_2078916_1 | 2025-09-04. Service bulletin. FUEL/PROPULSION SYSTEM. This TSB provides information when the fuel tank cap seal is leaking, DTC P044200, P045600, and/or P00EF00 stored in ECM. |
| TSB_2042920_2 | 2025-07-08. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when there is corrosion on the exhaust tail pipes. |
| A0124342074976_1 | 2024-09-06. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when there are functional restrictions or driving behavior due to diesel detected in petrol. |
| A0024902074853_1 | 2024-09-06. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides service information ror when the fuel tank cannot be fully filled. |
| A0124342074976_1 | 2024-09-06. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information when there are functional restrictions or driving behavior due to diesel detected in petrol. |
| A0024902074853_1 | 2024-09-06. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides service information ror when the fuel tank cannot be fully filled. |
| A9724052069123_2 | 2024-02-06. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. This bulletin provides information for when DTC U064100, or U06400 are stored for fuel tank breather, and the MIL is illuminated. |
| A1323222072511_1 | 2024-01-04. Service bulletin. POWER TRAIN; FUEL SYSTEM, OTHER:KINETIC:FLYWHEEL,BEARINGS. This bulletin provides service information when there are noises from the drivetrain, dual mass flywheel. |
| AVIN4PIN20231001 | 2023-11-06. 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 |
| A0123662071199_1 | 2023-09-01. Service bulletin. FUEL SYSTEM, GASOLINE. This bulletin provides information for when the MIL is on with DTC P045600 Very Small Leak detected NVLD. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.