Service bulletins for the 2018 Audi A4 allroad
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.
567 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| Dealer Letter 69 | 2018-12-10. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Service Action - Airbag Control Module Software |
|---|---|
| Circular Service | 2018-12-10. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Service Action - Airbag Control Module Software |
| ATU chassis | 2018-12-10. Service bulletin. SERVICE BRAKES, AIR; TIRES; SERVICE BRAKES, HYDRAULIC; SUSPENSION. Brake Highlights - 2.0 MLBevo new procedure for bleeding brake system. Tire Highlights - Fitting and Pre-heating tires Air Suspension - Diagnosis and fault finding basics Ceramic Brakes - Assessing and determining wear |
| A961828 2052250- | 2018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for correctly programming a door opener (produced by the Chamberlain Group) to the HomeLink. |
| A911807 2052251- | 2018-12-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE:BODY:DOOR. This bulletin contains software update instructions for when the audio is distorted from door speakers or subwoofer. |
| A901897 2052240- | 2018-12-10. Service bulletin. LANE DEPARTURE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM. This bulletin contains instructions for DTC B200FF1 and/or DTC B200FF2. |
| A901896 2048926- | 2018-12-10. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; LANE DEPARTURE; ELECTRICAL SYSTEM. This bulletin contains repair instructions for DTC B200FF1 and B200FF2. |
| A901895 2048926- | 2018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL; VEHICLE SPEED CONTROL:CRUISE CONTROL. This bulletin contains repair instructions for DTC B200FF1 and B200FF2. |
| A691836 2051242- | 2018-12-10. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. This bulletin contains instructions for DTC B1225F1 with an airbag warning lamp on. |
| A641860 2049661- | 2018-12-10. Service bulletin. VISIBILITY; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. This bulletin contains a software update for when the exterior mirror tilt function is inoperative. |
| A011882 2045222- | 2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT:ELECTRICAL. This bulletin explains how to update the software for an exhaust emissions warning light on. |
| 69W5 | 2018-11-26. Service bulletin. AIR BAGS. Service Action - Airbag Control Module Software |
| Update 90K2 | 2018-11-26. Service bulletin. EQUIPMENT. On Audi A4, A5 and Q5 vehicles manufactured within a specific period, the service interval display does not show all parameters. As a result, the number of days remaining until the next service is due are not displayed correctly. |
| A911811 2045106- | 2018-11-26. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin provides instructions on how to properly replace a coaxial connection if it is damaged. |
| A461898 2044669- | 2018-11-26. Service bulletin. SERVICE BRAKES. This bulletin provides troubleshooting for brake clicking in quattro models. |
| 2018 A4-S4-allro | 2018-10-15. 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. |
| A901894 2048926- | 2018-10-15. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; EQUIPMENT; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; LANE DEPARTURE: SENSING SYSTEM: CAMERA. This bulletin contains repair instructions for DTC B200FF1 and B200FF2. |
| A551843 2051804- | 2018-10-15. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:HATCHBACK/LIFTGATE. This bulletin contains repair instructions for when the gesture controlled rear lid does not work with DTC U11520. |
| Service Informat | 2018-09-24. Service bulletin. EQUIPMENT. Page 2 Disclosure information changed |
| A961826 | 2018-09-24. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for adapating the garage door opener when there is a programming error. |
| A911898 | 2018-09-24. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when the MMI starts in the wrong menu. |
| A911897 | 2018-09-24. Service bulletin. EQUIPMENT. This bulletin contains instructions for when the customer loses audio for the radio after ending an incoming phone call. |
| A901892 | 2018-09-24. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair information for when the Key User login screen cannot be accessed. |
| A431829 | 2018-09-24. Service bulletin. EQUIPMENT. This bulletin contains repair instructions for DTC B200FF0. |
| SM 91-2018 | 2018-09-17. Service bulletin. EQUIPMENT:ELECTRICAL. The part numbers listed in the document are to be returned if they meet the criteria provided. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.