WenmarOpen by Wenmar Pro

Service bulletins for the 2018 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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Labels and manuals are shown. Show all

Bulletins, newest first
A511711 2009967-2019-02-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions for vehicle inspection, protection removal, and detailing.
2018 A4-S4-allro2018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Reminder Section: Changed GFF statement to the following: All PDI function tests must be run in Guided Fault Finding (GFF) using PDI Total Function Test Plan only.
A461891 2050535-2018-09-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER; SERVICE BRAKES, AIR:DISC:CALIPER. This informational only bulletin indicates that rear calipers missing the "S" badge are to not to be retrofitted to the old style.
A431829 2051336-2018-09-17. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for DTC B200FF0.
MY 2018 Audi Tec2018-04-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technician Reference Document Overview The Pre-Delivery Inspection Technician Reference Document is designed to be a resource used in hand with the Pre-Delivery Inspection Checklist (PDI). The PDI Checklist has been simplified to make the process more efficient, and in doing so, this document has been created to be used as a reference for checklist items that may have additional information. On the PDI Checklist, you find that certain items have been notated with an asterisk symbol (*), this lets you know that additional information can be found in this Technician Reference Document.
MY 2018 PDI 3-8-2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Reminders: ADDED "For items marked with **, follow instructions for stock inventory vehicle" Under the hood inspection: REMOVED Lighting and Windshield: REMOVED "Install wiper blades" Trunk Inspection: Change "Verify inflatable repair kit" to "Verify inflatable spare tire" Moved "Check battery clamps for proper torque" from Under the hood inspection Interior: Added ventilated "Verify operation of heated seats/ventilated (if equipped) Settings: ADDED: "?Set Time source setting to ?GPS? and set Auto daylight savings time to ?on? CHANGED: Set ?Entertain. Fad.? in Parking aid to an audible level from "Medium". ADDED: Set ?Music volume while parking? to 6 lines ADDED (if equipped) to "Turn off Manual Speed Warning" Audi connect: ADDED: "Check LTE connection is possible (if vehicle is marked retail sold in DMS, data is only available after customer starts 6-month trial in www.myaudiconnect.com)" REMOVED: "?Verify system connects to mobile network (if equipped). Review TSB 2042942 for additional information" REMOVED: "No data available at PDI" from ?"Check Wi-Fi hotspot visibility"On-Hoist Inspection REMOVED: Perform a coolant reservoir cap pressure test Driving Performance: ADDED: "Verify engine Start-Stop System functionality" Post-Road Test Inspection: CHANGED: "Interrogate fault memory and print Diagnostic Log" to "Interrogate fault memory and upload Diagnostic Log to GFF Paperless Server" MOVED: "Check Service Interval and verify correct interval is displayed", "Check engine oil level", "Check all fluid levels and top off if necessary", and "Perform a battery test" from Under the Hood section ADDED: "**" to the end of "Apply Inventory Maintenance Sticker**" "?Install showroom charger to ensure battery remains charged at all times**"
MY 2018 Audi A4-2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This document contains the revised checklist for the Audi Technician Reference Document. Please see PDF change file for details.
MY 2018 Audi A4-2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Settings: REMOVED: "Load On-Board Tutorials"
MY 2018 A4-S4-A42018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Settings: REMOVED: "Load On-Board Tutorials"
MY 2018 A4-S4-al2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Owner's Documents: REMOVED: "Explain the ?text to phone? features for viewing tutorials on a smartphone or at the Audi Technology website: www.auditechnology.com" Infotainment Section: REMOVED: "Explain and configure preset hard keys"
MY 2018 A4-S4-al2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This document contains the revised checklist for the Audi A4/S4/A4 allroad Delivery Guidelines. Please see PDF change file for details.
AWA-17-062018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin explains the details of the Audi Launch Allowance Program for the new EA839 V6 TFSI engine.
A001684 2037949-2018-02-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides instructions for an an error message and updating with an SVM code.
A911746 2048436-2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains repair instructions for when after PDI is performed, the customer states that the Audi connect services are not functioning.
50D3 - Circular2018-02-05. Service bulletin. EQUIPMENT:OTHER:LABELS. Vehicle Emissions Control Information Label - Certain model year 2018 vehicles have been incorrectly labeled with model year 2017 Vehicle Emissions Control Information labels instead of the correct model year 2018 label. This issue will not cause an emissions impact over the standard. Labor operation updated in claiming instructions.
50D3 - Circular2018-02-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT:OTHER:LABELS. Vehicle Emissions Control Information Label - Certain model year 2018 vehicles have been incorrectly labeled with model year 2017 Vehicle Emissions Control Information labels instead of the correct model year 2018 label. This issue will not cause an emissions impact over the standard.
MY 2018 A4-S4-al2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Infotainment Section: Added: "If Audi connect is not functioning with an error message, ?The myAudi Server is currently unavailable?, reference TSB 2048436 to activate service"
A001798 2042954-2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin contains instructions and trouble shooting for how to take the vehicle out of transport mode.
MY 2018 A4-S4-al2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi connect Section: Added: "If Audi connect is not functioning with an error message, ?The myAudi Server is currently unavailable?, reference TSB 2048436 to activate service"
A461773 2047919-2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin explains why a slight rattling or click noise can be heard from the front of the car at about 25 mph.
Maintenance Sche2017-10-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Additional Maintenance Items Section: Perform first at 60,000 miles: REMOVED RS 3 from Air Cleaner exceptions
Scheduled Mainte2017-10-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document
12-13-2016E2017-10-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document
12-13-2016C2017-10-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document
12-13-2016A2017-10-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document

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