Service bulletins for the 2019 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.
859 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A9424742073332_1 | 2024-04-04. Service bulletin. UNKNOWN OR OTHER; STEERING. This bulletin provides information if there is noise when steering the vehicle. |
|---|---|
| A9424722073282_1 | 2024-04-04. Service bulletin. UNKNOWN OR OTHER; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information on visual concerns with the headlight lens. |
| A4624552061403_2 | 2024-04-04. Service bulletin. SERVICE BRAKES, AIR:DISC:PADS; UNKNOWN OR OTHER. This bulletin provides information for when the brake pad wear indicator is on in the instrument cluster. |
| A1924552061918_6 | 2024-04-04. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT; UNKNOWN OR OTHER. This bulletin provides information when the low coolant light is on but the coolant level is within specifications. |
| A5524892062669_3 | 2024-03-06. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT; UNKNOWN OR OTHER. This bulletin provides information when there are noises coming from the trunk lid struts. |
| A3924582059057_7 | 2024-03-06. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). This bulletin provides information when quattro Ultra has vibrations or binding in tight turns. |
| A9124682072959_1 | 2024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when Apple CarPlay pops up or takes over audio without user intervention in vehicles with the Audi Smartphone Interface. |
| A9124632044694_3 | 2024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin provides information pertaining to MMI Navigation database concerns. |
| A4324812067531_3 | 2024-03-06. Service bulletin. SUSPENSION. This bulletin provides information when DTCs B200FF0, B200FF1, B200FF3, or B200FF4, B200FF5 are stored in the J775 suspension control unit. |
| A1924492061918_5 | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the low coolant light is illuminated but the coolant level is within specifications. |
| 44134220225637 | 2024-03-04. Service bulletin. SUSPENSION. Steering wheel shimmy, vibration and/or oscillation |
| A702486204441710 | 2024-02-06. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY:ROOF AND PILLARS. This bulletin provides information for when there are noises from the headliner/sunroof area. |
| A4224552058459_2 | 2024-02-06. Service bulletin. STRUCTURE. This bulletin provides information when there are noises from the rear shock absorber mounting. |
| A1524462072713_1 | 2024-02-06. Service bulletin. POWER TRAIN. This bulletin provides service information on noises from the drivetrain duel-mass flywheel. |
| AUD4927ENG | 2024-01-22. Service bulletin. UNKNOWN OR OTHER. Due to new Minnesota state regulations regarding biofuels, biodiesel blends of B5 or less may not be available in the State of Minnesota. |
| A912306202432310 | 2024-01-04. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This bulletin provides information when the parking assistance provides false warnings. |
| 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. |
| A0023822047812_7 | 2024-01-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server. |
| A4723262055646_6 | 2024-01-04. Service bulletin. UNKNOWN OR OTHER; SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. This bulletin provides information for when there is a hard brake pedal while attempting to start the vehicle. |
| A4523362072304_1 | 2024-01-04. Service bulletin. UNKNOWN OR OTHER; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; ELECTRICAL SYSTEM:ADAS:HILL DESCENT ASSIST:SENSOR. This bulletin provides information for when the ABS/ESC speed sensor has an implausible signal. |
| A9123492056076_2 | 2023-12-06. Service bulletin. UNKNOWN OR OTHER; COMMUNICATION:MANUFACTURER TELEMATICS. This bulletin provides information when there is no diagnostics communication to the telematics control module in vehicles with ConBox low; DTC U142100. |
| A9123462064681_4 | 2023-12-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the wireless charging does not work. |
| A9023562032113_8 | 2023-12-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides general information about the outside air temperature reading. |
| A9023532058077_8 | 2023-12-06. 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_5 | 2023-12-06. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.