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Service bulletins for the 2020 Audi A6

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.

1382 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
A0023732061669_22023-10-05. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on workshop mode with Audi connect vehicles.
A0023712070568_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
AVin4PinAug232023-09-01. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT. 3.0L engine sound generator malfunctioning Belt noise from starter generator Check engine lamp - DTC P240200 stored in ECM Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 "Check engine lamp on, DTC P042000: Catalyst System,Bank1 Efficiency Below" Check engine lamp, Belt Starter Generator DTC U046900 symptom 26950 Fuel pressure low. DTC P008700 Leak from oil pan Low coolant warning in cluster, coolant level is correct MMI screen exhibits "ghost touches" randomly changing screen Noise from front door trim panel while driving USB Trim detached from center console Valve cover leaking oil
A9123262071264_12023-09-01. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT. This bulletin provides information for when the customer has concerns about the navigation route guidance.
A9123222061028_52023-09-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information for when there are no Audi connect services in the MMI, and the SOS LED does not turn green after PDI.
A9123212071185_12023-09-01. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for various connectivity via bluetooth, AMI, or ASI when using CarPlay with Apple iOS devices.
A9123192056076_12023-09-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when there is no communication to the telematics control module, DTC U142100.
A8723512064077_22023-09-01. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A8723502068460_42023-09-01. Service bulletin. VISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information for when the air conditioning does not cool, DTCs P053000, or P251500 stored in C5.
A5523792070966_12023-09-01. Service bulletin. STRUCTURE:BODY:TRUNK LID. This bulletin provides instructions for disabling and reengaging the gesture controlled rear lid (virtual pedal).
A4823542062288_42023-09-01. Service bulletin. STEERING:STEERING WHEEL /HANDLE BAR:YAW/ANGLE SENSOR. This bulletin provides information for when the steering column adjustment is not working and DTC B14BF01 is stored in the BCM 1.
A4823532065978_32023-09-01. Service bulletin. STEERING:STEERING WHEEL /HANDLE BAR:HAND HEATER/COOLER. This bulletin provides information for when the steering wheel heating does not heat up sufficiently.
A4423022065160_22023-09-01. Service bulletin. EQUIPMENT; TIRES:TEMPORARY/EMERGENCY SPARE TIRE. This bulletin provides information for when the collapsible wheel does not fully inflate using the toolkit.
A4223532038689_72023-09-01. Service bulletin. SUSPENSION:REAR; SUSPENSION. This bulletin provides information for when there is a rattle noise from the rear suspension.
A4023672047920_72023-09-01. Service bulletin. ENGINE. This bulletin provides information when there are noises from the front end and dash panel when the vehicle is moving.
A4323782059363_42023-09-01. Service bulletin. SUSPENSION. This bulletin provides information for when there is an air suspension malfunction warning in the cluster; DTC C1260F0 or U112100.
A0123712071203_12023-09-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This Pending Service Solution requests that a PSS record be created when the MIL Drive System: Fault is stored in the ECM with DTC P06C00, P060600, or P0A0F00.
A9223362038151152023-08-04. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin provides information for when the washer solvent level warning is on.
A9123142065728_52023-08-04. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when the Apple CarPlay screen is blank.
A9023322059335_42023-08-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for when there is noise from the area around the instrument cluster.
A8723452041717_92023-08-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin provides information on the GFF test plan required when replacing the A/C compressor.
A9023312058077_72023-08-04. Service bulletin. SERVICE BRAKES; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. This bulletin provides information for when an unexpected Audi presense front intervention such as a front end warning, a warning jolt, partial braking, or emergency braking occurs and a warning appears in the instrument cluster and audibly.
A6923942056421_72023-08-04. Service bulletin. SEAT BELTS. This bulletin provides information for when the seat belt or presense warning appears sporadically while driving.
A6423922020552_12023-08-04. Service bulletin. VISIBILITY. This bulletin provides information for when exterior glass cleaning is needed.
A1523442053278_92023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when there is an oil leak from the cylinder head.

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