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Service bulletins for the 2021 Audi e-tron

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.

1220 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
TSB_2074808_42026-06-04. Service bulletin. POWER TRAIN. The high-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content (energy density) being reduced. This reduction in the energy content, which is due to factors. Revised header. Added Model years
TSB_2074808_32026-01-07. Service bulletin. POWER TRAIN. This bulletin provides additoinal information to assist in determining the energy content of lithium-ion high-voltage batteries.
TSB_2060560_42025-08-05. Service bulletin. POWER TRAIN. This bulletin providesi nformation when various DTCs are stored; high maximum temperature recorded for clutch K1.
SM 16-20252025-04-04. Other. POWER TRAIN. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
A4025862061464_92025-02-05. Service bulletin. POWER TRAIN. This bulletin provides information when a cracking noise can be heard from the vehicle front or rear end while changing direction.
A3724222074826_12024-09-06. Service bulletin. POWER TRAIN. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A3724222074826_12024-09-06. Service bulletin. POWER TRAIN. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A4824682028220_112024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is visual damage on the steering wheel.
A3724142074751_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information about replacing the clutch end cover.
A3724132074750_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information about replacing the clutch end cover.
A2424612074810_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is a fault shown; Engine: start/stop system, and the start system is not working; mileage below 50 km/32 miles.
A9324412073062_12024-03-06. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN:AXLE ASSEMBLY. This bulletin provides information when there are vibrations/ticking noise from the rear of the vehicle at <5 km/h.
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
AVin4Pin202307072023-08-04. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; EQUIPMENT; POWER TRAIN. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC (s) P010600, P023600, P023700, P023800 Belt noise from starter generator Leak from oil pan USB Trim detached from center console 3.0L engine sound generator malfunctioning Valve cover leaking oil Fuel pressure low. DTC P008700 MMI screen exhibits "ghost touches" randomly changing screen Check engine lamp, Belt Starter Generator DTC U046900 symptom 26950
A4223512064019_32023-04-06. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This bulletin provides instructions to address rumbling/rattling noises from the rear axle area while driving over irregularities in the road.
A4022392066882_12022-05-05. Service bulletin. POWER TRAIN:DRIVELINE. This bulletin advises to replace the drive link shaft which may produce rumbling, squeaking or similar noises from the front end under certain conditions.

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