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Service bulletins for the 2013 Audi S4

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
Edition922023-02-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. Idenifying and mixing factory fill engine coolants
Edition892023-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ElsaPro Software update and technical bulletins
Edition96-12023-02-06. Service bulletin. ELECTRICAL SYSTEM:WIRING. i-wire new wiring diagram application
Edition942023-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Pending service solutions and bulletins
Edition692023-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical bulletins and updates
Edition732023-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical bulletins and updates
Edition712023-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical bulletins and updates
Edition1172023-02-06. Service bulletin. EQUIPMENT:ELECTRICAL. Product quality is Announcing a new innovation in technical service bulletins: portable, easy to access videos
DC_Alternator2023-01-06. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Support for Customers Affected by Alternator Back-order
DC_RECALLS2023-01-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SAFETY RECALLS, COMPLIANCE RECALLS and STOP SALES
A5722002022032102023-01-06. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK. This technical service bulletin provides troubleshooting information for the vehicle locking system.
0114602033919122023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective. It is possible that the membrane on the vacuum actuator may tear. As a result, the intake manifold flaps do not function.
011398203391912023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective. There may be slight power reduction at high RPMs.
011389203376812023-01-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. A cylinder misfire fault (DTC P0301 ? P0306) with DTC P130A is stored in the engine control module (ECM), J623 (address word 01).
011378203337912023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. An oil filter that is too short is installed. The oil filter must be 155 mm.
011342203337922023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. An oil filter that is too short is installed. The oil filter must be 155 (+/-1) mm long. If the oil filter is too short, the drain flap in the oil filter housing will not be completely closed and oil pressure will be lost.
0113342033919112023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective. It is possible that the membrane on the vacuum actuator may tear. As a result, the intake manifold flaps do not function.
011316203391982023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective.
011314203391972023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective.
011311203391962023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective.
011309201475382023-01-03. Service bulletin. FUEL SYSTEM, GASOLINE. The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.
011306203391952023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective.
011305203391942023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective.
011303203391932023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective.
011302203391922023-01-03. Service bulletin. ENGINE AND ENGINE COOLING. One of the vacuum actuators on intake runner bank 1 or bank 2 is defective.

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