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Service bulletins for the 2012 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.

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

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Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
A461466 2022584-2017-11-08. Service bulletin. STEERING; WHEELS; SERVICE BRAKES, HYDRAULIC. Supersedes Technical Service Bulletin Group 46 number 12-23 dated June 18, 2012. Customer may report that the steering wheel vibrates or pulsates when the brakes are applied. Document contains the brake pulsation diagnostic guidelines.
Executive Servic2017-10-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; POWER TRAIN; SERVICE BRAKES, HYDRAULIC:FLUID; ENGINE AND ENGINE COOLING. This document contains a fluid capacity chart as well as a chart that contains the parts and part numbers needed for service.
A461511 2027636-2017-10-27. Service bulletin. SERVICE BRAKES, HYDRAULIC. Supersedes Technical Service Bulletin Group 46 number 14-89 dated July 21, 2014. Customer may complain about brake squeak or squeal with light to moderate pedal pressure. If front brake discs or brake pads are close to their wear limit, foreign objects between brake disc and brake pad, such as small stones, grit, rust build-up, or sand, un-ground or corroded friction materials, or metallic deposits from disc material in brake pad exists, then this TSB does not apply.
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.
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.
A4616442027636142017-02-15. Service bulletin. SERVICE BRAKES. THIS TECHNICAL SERVICE BULLETIN PROVIDES TROUBLESHOOTING FOR A BRAKE SQUEAL SOUND FROM THE FRONT BRAKES.
A4616442027636142017-02-11. Service bulletin. SERVICE BRAKES. THIS TECHNICAL SERVICE BULLETIN PROVIDES TROUBLESHOOTING FOR A BRAKE SQUEAL SOUND FROM THE FRONT BRAKES.
2027636/72016-05-23. Service bulletin. SERVICE BRAKES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
2027636/62016-05-23. Service bulletin. SERVICE BRAKES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TSB-45-13-072014-03-06. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. AUDI: DUE TO DAMAGE ABS WHEEL SPEED SENSOR DURING PRODUCTION, SOME VEHICLES MAY EXPERIENCE STEERING WHEEL NOT LOCKING, IGNITION KEY CANNOT BE REMOVED, AND OTHER VARIOUS ISSUES. MODEL 2009-2014 A4/S4, A5/S5, A5/S5 CAB, Q5. *PE UPDATED 05/21/2014 *JS
TSB-46-12-262012-12-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION; PARKING BRAKE. AUDI: INSTRUMENT PANEL ILLUMINATED WITH ELECTRIC PARKING BRAKE (EPB) WARNING BUT TURNED OFF WHEN IGNITION HAD CYCLED AND ADAPTIVE CRUISE CONTROL (ACC) INOPERATIVE, BUT RESUME AFTER IGNITION HAD CYCLED. MODELS 2011-2013 A4/S4, A5/S5, A5 CABRIOLET, A6, A7, A8 AND Q5. *PE

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