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Service bulletins for the 2011 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.

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

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Bulletins, newest first
Customer Letter2017-10-21. Service bulletin. FUEL SYSTEM, OTHER:FUEL INJECTION SYSTEM. This document contains information on the warranty extension for fuel injectors.
Customer Letter2017-10-21. Service bulletin. FUEL SYSTEM, OTHER:FUEL INJECTION SYSTEM. This document contains information on the warranty extension for fuel injectors.
A351725 2027363-2017-10-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for harsh downshifting, a bump felt after the vehicle comes to a stop, fluctuating engine speed after 5-4 shift, and/or a message appears in the driver information system. A DTC is also present.
A011703 2033001-2017-10-04. Service bulletin. ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A011701 2033001-2017-10-04. Service bulletin. ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A351620 2030477-2017-10-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Gearbox malfunction message in cluster. DTCs P17D800, P179D00, P174000, P174C, P174B, P174F, P179C, P174A, and/or P174E are stored in the transmission control module. Fault codes and symptom codes must match exactly or this TSB should not be followed. Poor internal contact area on circuit board will lead to faults. Oil additives can cause the plastic circuit plates to delaminate, causing contact loss.
Elsa Newsletter2017-10-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TSBs in this newsletters include the MIL on due to DTC P042000 and/or P043000 (Catalyst system Bank 1/2, Efficiency below threshold) being stored in the ECM. New ECM software implemented to correct the condition.
A351619 2032211-2017-10-04. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION); POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM. Gearbox warning light on (DTCs P179E00, P179F00, P0700, P060A). The driver information system displays the message "gearbox malfunction: you can continue driving". There are two scenarios present. Scenario 1 is that entries are logged individually or in combination, with P179E logged first (using DTC environmental data).The entries are DTC P179E (Drive position sensor electrical error), DTC P0700 with DFCC 20196 (Transmission control system malfunction), DTC P1758 with DFCC 8464 (Terminal 15 voltage supply open circuit), and DTC P060A with DFCC 8126, 8345 (Internal control module monitoring processor performance) In this scenario, if DTC P179E is not logged first, this TSB does not apply. Scenario 2 is that entries are logged individually or in combination. The order in which the DTCs are logged is not relevant. The entries are DTC P179E with DFCC 8050, 8051, 8052, 8053, 17595, 17596, 17597, 17598, 17602 (Drive position sensor electrical error), DTC P179F with DFCC 8054, 8055, 8056, 8057, 17599, 17600, 17601 (Drive position sensor malfunction), DTC P0716 with DFCC 8096, 8101, 18153, 20738 (Input turbine/speed sensor ?A? circ. range/performance), DTC P171F with DFCC 8097, 8102, 18154 (Transmission input speed (RPM) sensor 2 implausible signal), DTC P0715 with DFCC 8094, 8103, 18161 (Input turbine/speed sensor ?A? circuit.), DTC P2765 with DFCC 8095, 8104 (Input turbine/speed sensor ?B? circuit), DTC P0501 with DFCC 8098 (Vehicle speed sensor ?A? range/performance), and DTC P2159 with DFCC 8099 (Vehicle speed sensor ?B? range/performance). Fault codes and DFCC codes must match exactly for this TSB to apply. The DFCC is the 4-6 digit code that is typically listed before the fault code. Incorrect driving mode sensor module.
A011650 2026299-2017-10-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. MIL is on due to One of the following DTCs for air-fuel ratio imbalance is stored in the engine control module (ECM), J623 (address word 01): DTC P219C00 (stored in cylinder 1), DTC P219D00 (stored in cylinder 2), DTC P219E00 (stored in cylinder 3), DTC P219F00 (stored in cylinder 4), DTC P21A000 (stored in cylinder 5), DTC P21A100 (stored in cylinder 6). An incorrect software setting causes the DTC to be stored. TSB 2011732 00 Software Version Management (SVM), operating instructions will be necessary to complete this procedure.
A011649 2041120-2017-10-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. The MIL is on due to DTC P042000 and/or P043000 (Catalyst system Bank 1/2, Efficiency below threshold) being stored in the engine control module (ECM), J623 (address word 01). The diagnostic limitations were too narrow. New ECM software implemented to correct the condition.
A011673 2040403-2017-03-17. Service bulletin. ENGINE AND ENGINE COOLING. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO REPLACE EITHER A COMBI VALVE OR VACUUM SOLENOID VALVE DEPENDING ON THE CIRCUMSTANCES UNDER WHICH DTC P244000 AND/OR P244200 WERE STORED.
A1716732030197162017-03-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR EXCESSIVE OIL CONSUMPTION AND UPDATE THE SOFTWARE IF NEEDED.
A011665203545442017-03-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. THIS TECHNICAL SERVICE BULLETIN CONTAINS INSTRUCTIONS FOR PRESSURE WASHING PORTS TO RESOLVE AN "AIR SYSTEM -- ACTION REQUIRED" MESSAGE.
A011662204040322017-03-14. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO REPLACE EITHER A COMBI VALVE OR VACUUM SOLENOID VALVE DEPENDING ON THE CIRCUMSTANCES UNDER WHICH DTC P244000 AND/OR P244200 WERE STORED.
A4616532027636152017-03-10. Service bulletin. SERVICE BRAKES; SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. THIS BULLETIN PROVIDES TROUBLESHOOTING AND A SOLUTION FOR BRAKE SQUEAK OR SQUEAL WITH LIGHT OR MODERATE PEDAL PRESSURE.
A961606202956322017-03-07. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM. THIS TECHNICAL SERVICE BULLETIN EXPLAINS POSSIBLE CAUSES FOR THE REARVIEW CAMERA TO NOT DISPLAY AN IMAGE.
A4616342027636132017-03-03. Service bulletin. SERVICE BRAKES. THIS TECHNICAL SERVICE BULLETIN INFORMS THE READER TO DIAGNOISE THE BRAKE NOISE ISSUE THEN REPLACE THE BRAKE PADS.
A351622203221142017-03-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. THIS TECHNICAL SERVICE BULLETIN PROVIDES INSTRUCTIONS FOR DIAGNOSING AN ISSUE WITH THE G676 SENSOR MODULE AND REPLACING IT.
A351621203047782017-03-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIS TECHNICAL SERVICE BULLETIN PROVIDES INSTRUCTIONS FOR DIAGNOSING AN ISSUE WITH THE MECHATRONICS CONTROL UNIT CIRCUIT BOARD AND INSTRUCTIONS FOR REPLACING IT.
A171672203811962017-03-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR.
A171671203811952017-03-02. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO TEST FOR AND REPLACE A DEFECTIVE OIL LEVEL SENSOR.
A151628203999522017-03-02. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO VERIFY A RATTLING NOISE HEARD AT COLD START AND TO REPLACE BOTH UPPER CHAIN TENSIONERS OF BANK 1 AND BANK 2 WITH AN OPTIMIZED PART.
A44166120344452017-03-01. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. THIS TECHNICAL SERVICE BULLETIN NOTIFIES THE READER THAT IF THE TPMS MESSAGE APPEARS BRIEFLY AFTER THE ENGINE IS STARTED AND THEN DISAPPEARS, IT DOES NOT INDICATE AN ISSUE WITH THE TPMS SYSTEM.
A011673204040332017-02-28. Service bulletin. ENGINE. THIS TECHNICAL SERVICE BULLETIN INSTRUCTS THE READER TO REPLACE EITHER A COMBI VALVE OR VACUUM SOLENOID VALVE DEPENDING ON THE CIRCUMSTANCES UNDER WHICH DTC P244000 AND/OR P244200 WERE STORED.
A961607202956332017-02-23. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM. THIS TECHNICAL SERVICE BULLETIN EXPLAINS POSSIBLE CAUSES FOR THE REARVIEW CAMERA TO NOT DISPLAY AN IMAGE.

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