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Service bulletins for the 2013 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
441449202256392024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
441451203444522024-03-04. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Message "TPMS" in instrument cluster
461491203418182024-03-04. Service bulletin. SERVICE BRAKES. Brake noise analysis and handling
4414502022563102024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
461486202258452024-03-04. Service bulletin. SERVICE BRAKES. Brake pulsation diagnostic guidelines
481461203603222024-03-04. Service bulletin. STEERING. Steering feels stiff when turning
461484203113532024-03-04. Service bulletin. PARKING BRAKE. Yellow warning light for electric parking brake on, ACC inoperative once
401442203585432024-03-04. Service bulletin. SUSPENSION. Rattling or knocking noise from front end when driving over bumps
401441201819462024-03-04. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER. Shock absorber leaks: assessment aid
401440202318742024-03-04. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
461494203805612024-03-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. Brake pad wear warning - pads not at minimum
441455201033462024-03-04. Service bulletin. WHEELS. Tightening wheel bolts
481463202822042024-03-04. Service bulletin. STEERING. Steering wheel leather damage, all vehicles
401443203585442024-03-04. Service bulletin. SUSPENSION. Rattling or knocking noise from front end when driving over bumps
4414562022563112024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
40144320358542024-02-26. Service bulletin. BACK OVER PREVENTION. Rattling or knocking noise from front end when driving over bumps
40144220358542024-02-26. Service bulletin. BACK OVER PREVENTION. Rattling or knocking noise from front end when driving over bumps
40144120181942024-02-26. Service bulletin. EQUIPMENT; STRUCTURE. Shock absorber leaks: assessment aid
40144020231872024-02-26. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
40143920358542024-02-26. Service bulletin. SUSPENSION. Rattling or knocking noise from front end when driving over bumps
40133720358542024-02-26. Service bulletin. SUSPENSION. Rattling/knocking noise from front end over bumps
40133520231872024-02-26. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
87D9UPDATEa2024-02-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR. AC Pressure/Temperature Sensor
87D9UPDATE2024-02-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. AC Pressure/Temperature Sensor
46122620311352024-02-20. Service bulletin. AIR BAGS; PARKING BRAKE; LANE DEPARTURE. Yellow warning light for electric parking brake on, ACC inoperative once

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