WenmarOpen by Wenmar Pro

Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Bulletins, newest first
TSB_2059891_92025-06-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the restricted function icon for Audi pre sense is displayed after engine starts.
TSB_2056019_42025-06-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the anti-theft alarm activates for no reason, or when the anti-theft alarm does not activate.
TSB_2055443_22025-06-03. Service bulletin. STRUCTURE:BODY. This bulletin provides accounting instructions for noises from the headliner/noises from the panoramic sunroof.
AVIN4APIN202504282025-05-03. Other. UNKNOWN OR OTHER. Summary of all Vin4Pin topic in May Cylinder head cover bolts leaking Airbaglight on DTC B12251B Steering column switch trim dislodged MIB3 system takes a long time to load at startup Quattro ultra binding Front or rear window not closing correctly/reverse direction Sunroof shade binds
TSB_2060523_42025-05-03. Service bulletin. ELECTRICAL SYSTEM. This TSB provides MIB3 Software update instructions.
TSB_2077631_12025-05-03. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the message "Engine/power nt start system: fault. Please contact workshop" appears; DTC B143C29.
TSB_2077320_22025-05-03. Service bulletin. UNKNOWN OR OTHER. This TSB is a label placement guide as required by CARB for remanufactured parts.
TSB_2031473_62025-05-03. Service bulletin. STRUCTURE:BODY. This service information TSB describes a cosmetic issue after using a car wash.
TSB_2073582_22025-05-03. Service bulletin. UNKNOWN OR OTHER. Apple CarPlay: general troubleshooting for connection complaints.
TSB_2071281_32025-05-03. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when the warning "Fault: Limited warning messages" appears in the virtual cockpit; DTC B174404.
TSB_2012749_182025-05-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the exterior lights have moisture accumulation.
TSB_2071893_22025-05-03. Service bulletin. SEATS. This TSB provides damage assessment guidelines for textile seat covers.
TSB_2062115_142025-05-03. Service bulletin. ELECTRICAL SYSTEM. This bulliten provides information on reinstaling the navigation database.
TSB_2061922_42025-05-03. Service bulletin. VISIBILITY/WIPER. This TSB provides information on proper documentation for visual complaints regarding the headlights and taillights.
TSB_2077364_12025-04-04. Service bulletin. ELECTRICAL SYSTEM. This TSB provides troubelshooting steps when the myAuid login can not be completed in the infotainment system
TSB_2077320_12025-04-04. Service bulletin. UNKNOWN OR OTHER. This TSB is a label placement guide as required by CARB for remanufactured parts.
TSB_2077204_12025-04-04. Service bulletin. ELECTRICAL SYSTEM. This bulleitn provides information regarding Over The Air automatic online map update complaints.
TSB_2077148_12025-04-04. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when home address, work address and favorites are deleted.
TSB_2075530_22025-04-04. Service bulletin. ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds.
TSB_2071185_22025-04-04. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information regarding various comlaints related to Apple CarPlay with Apple iOS devices.
TSB_2056076_222025-04-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an SOS Malfunction with ConBox Low, "Emergency call function: fault", (DTC U142100, U153E00).
TSB_2044417_132025-04-04. Service bulletin. STRUCTURE:BODY. This bulletin provides information about repiars for squeaks and rattles in the headliner.
TSB_2041717_132025-04-04. Service bulletin. VISIBILITY/WIPER. This bulletin provides information regarding the GFF test plan required for A/C compressr replaements regardless of the concern.
TSB_2038689_92025-04-04. Service bulletin. SUSPENSION. This bulletin provides information regaridng securting the bump stops when there are noises form the rear of the vehicle.
TSB_2018194_122025-04-04. Service bulletin. SUSPENSION. This bulletin serves as an assessment aid for shock absorber leaks.

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