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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.

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By component

By trouble code

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Bulletins, newest first
A9424722073282_12024-04-04. Service bulletin. UNKNOWN OR OTHER; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information on visual concerns with the headlight lens.
A4824612034351_12024-03-06. Service bulletin. STEERING:COLUMN; UNKNOWN OR OTHER. This bulletin contains repair information for when there is a creaking/squeaking from the steering column when steering slowly.
A4824602073033_12024-03-06. Service bulletin. STEERING:COLUMN; UNKNOWN OR OTHER. This bulletin provides information for when the steering column adjustment does not work.
AWA 24-012024-03-06. Service bulletin. ENGINE; UNKNOWN OR OTHER. This Document informs dealers on the new oil consumption & piston fracture warranty extension for 2012 A4, A5, A6, Q5 & TT / 2013 A4, A5, A6, Q5 & TT / 2014 A4, A5, A6, Q5 & TT / 2016 A3 & TT / 2017 A3 & TT vehicles
A9124632044694_32024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin provides information pertaining to MMI Navigation database concerns.
A7024872038029_92024-03-06. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This bulletin provides information for when there are noises from the headliner/sunroof area.
451408203341232024-03-04. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS warning light on with additional warning lights on (EPB / TPMS / EPC / MIL) - wire harness damage
451307203341222024-03-04. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS warning light on with additional warning lights on (EPB/TPMS/EPC/MIL) - Wire harness damage
441447203027572024-03-04. Service bulletin. STEERING. Alignment - Repair Authorization
441346201033452024-03-04. Service bulletin. WHEELS. Tightening wheel bolts
441344202256382024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration and/or oscillation
441342202256372024-03-04. Service bulletin. SUSPENSION. Steering wheel shimmy, vibration and/or oscillation
441340202777952024-03-04. Service bulletin. STEERING. Steering rack control unit cannot be coded
441339203027562024-03-04. Service bulletin. SUSPENSION. Alignment - Repair Authorization
441338203444512024-03-04. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Message "TPMS" in dash insert
441335202256352024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration and/or oscillation
441234203027542024-03-04. Service bulletin. SUSPENSION. Alignment - Repair Authorization
401439203585422024-03-04. Service bulletin. SUSPENSION. Rattling or knocking noise from front end when driving over bumps.
401337203585412024-03-04. Service bulletin. SUSPENSION. Rattling/knocking noise from front end over bumps
401335202318732024-03-04. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
461468203418162024-03-04. Service bulletin. SERVICE BRAKES. Brake noise analysis and handling
461476203418172024-03-04. Service bulletin. SERVICE BRAKES. Brake noise analysis and handling
461475203367472024-03-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. Squealing from front brakes (PR-1LA or 1LB)
461472203440432024-03-04. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. Vehicle does not start, battery flat DTC stored (DTC U101100)
481458203517822024-03-04. Service bulletin. STEERING. Power steering warning in cluster, DTC for low starting voltage (DTC 2035 or 2036

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