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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.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
A911887 2045106_2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. This bulletin provides instructions on how to properly replace a coaxial connection if it is damaged.
A901891 2050584_2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair information for when the Key User login screen cannot be accessed.
A901890 2050584_2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair information for when the Key User login screen cannot be accessed.
A641853 2049661_2018-05-21. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for when the exterior mirror tilt function is inoperative.
A011855 2045673_2018-05-21. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This bulletin provides instructions regarding an SVM update needed when a DTC is stored in the engine control module.
Scheduled Mainte2018-04-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Additional Maintenance Section: Added, "(if applicable)" to Battery - Connected gateway - Replace
Scheduled Mainte2018-04-16. Service bulletin. ELECTRICAL SYSTEM. Additional Maintenance Section: CHANGED: "RS 7 Plus" to "RS 7 performance" on Rear Axle every 40,000 miles and Spark plugs - Replace every 30,000 miles or 3 years ADDED: "(except RS 7 performance)" and "(except S8 plus)" to Spark Plugs - Replace every 40,000 miles or 6 years
Dealer Letter -2018-04-16. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. 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.
Bulletin - Updat2018-04-16. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. 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.
A911761 20494142018-04-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This is a PSS for a software concern in the MMI with a intermittent display change.
MY 2018 Audi USA2018-04-16. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; SUSPENSION. Under Additional Maintenance Items Section: Removed e-tron from "Perform every 130,000 miles. Timing belt - Replace. Check condition of timing belt tensioning system, dampening pulleys, and idler pulleys and replace if necessary (2.0L TDI models only)" Under Standard Maintenance Section: Removed A5/S5 Cabriolet from "Rollover protection: Check function with soft top down (A3 Cabriolet and R8 Spyder only)" Under Standard Maintenance Section: Removed Q7 from "Panorama sunroof systems - Check function (if equipped) (all except A8L)" and "Panorama sunroof systems - Clean guide rails and lubricate with grease (if equipped) (A8L only)"
A961721 2048927-2018-04-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK. This informational bulletin contains instructions for minimizing the risk of an unintentional opening of the trunk lid with the remote.
A901788 2049741-2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin states that when a sporadic or permanent warning message appears with no DTCs that the technicians need to postpone repairs.
A901787 2049092-2018-04-16. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC); ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for when the SOS message appears but does not log a DTC.
A641747 2049661-2018-04-16. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for when the exterior mirror tilt function is inoperative.
A481775 2049656-2018-04-16. Service bulletin. STEERING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin contains a software update to address DTC C115C54 , C110EF0, or U042800 with a yellow steering lamp warning on in the DIS.
A001796 20478122018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin contains instructions for setting up and using the SD creator program.
A911712 2047112-2018-02-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This informational bulletin is for a sporadic DTC that does not cause functional issues in the vehicle.
A911679 2045540-2018-02-05. Service bulletin. ELECTRICAL SYSTEM. This bulleting provides information regarding warning messages in the MMI from Audi connect.
A911678 2043037-2018-02-05. Service bulletin. ELECTRICAL SYSTEM. This technical service bulletin provides information about the operation of the Audi connect system.
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.
A911743 2042097-2018-02-05. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin contains resource information for when the traffic feature is inoperative in the MMI navigation.
A911739 2047112-2018-02-05. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin is for a sporadic DTC that does not cause functional issues in the vehicle.
A911747 2044853-2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides software update instructions for warning messages in the MMI when a user tries to manually refresh data or the vehicle cannot be locked or unlocked.
A341723 2048671-2018-02-05. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin contains instructions for when DTC U030000 appears and ?All Wheel Drive Malfunction Message? is displayed in the instrument cluster.

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