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.
By type
By component
By trouble code
By topic
Only bulletins with component: Ignition are shown. Show all
| A5723082027406_5 | 2023-07-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This bulletin provides information regarding the Audi advanced key. |
|---|---|
| A9623822056019_2 | 2023-03-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. This bulletin provides instructions for when the anti-theft alarm has gone off for no reason, or did not go off at all. No DTCs are stored. |
| TSB-46-12-26 | 2012-12-06. 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 |
| TSB-37-12-38 | 2012-04-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT; POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT; ELECTRICAL SYSTEM:IGNITION. AUDI: VEHICLE HAVE ISSUES WITH IGNITION KEY CAN NOT BE REMOVED FROM IGNITION; VEHICLE IN PARK POSITION BUT UNABLE TO MOVE SHIFTER; ENGINE SWITCHED OFF BUT REMOTE CONTROL CAN NOT LOCK WITH ADVANCED KEY; PARK IS NOT RECOGNIZED ELECTRICALLY. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.