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Service bulletins for the 2014 Audi S8

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.

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

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

Bulletins, newest first
TSB_2028985_132026-07-07. Service bulletin. POWER TRAIN. This bulleitn procides informaiton when tehre is a transmission warning mssage in the instrument cluster; P074100 is stored in the TCM.
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_2074857_22025-07-08. Service bulletin. POWER TRAIN. This bulletin provides information when there are noises/vibrations in tight bends; Q7 and A8 models.
A3924742074859_12024-11-06. Service bulletin. POWER TRAIN. This bulletin provides additional information pertaining to continued noises/vibrations in tight bends - Q7 and A8 vehicle models.
A3924692074857_12024-09-06. Service bulletin. POWER TRAIN. This bulletin provides information when there are noises/vibrations in tight bends; Q7 and A8 models.
A3724222074826_12024-09-06. Service bulletin. POWER TRAIN. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A3924692074857_12024-09-06. Service bulletin. POWER TRAIN. This bulletin provides information when there are noises/vibrations in tight bends; Q7 and A8 models.
A3724222074826_12024-09-06. Service bulletin. POWER TRAIN. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
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.
371430200365862022-11-21. Service bulletin. POWER TRAIN. Vehicle lacks power or will not move after stop due to simultaneous depressing of the brake and accelerator pedals
37 13 07 20336582022-05-31. Service bulletin. POWER TRAIN. Vehicle lacks power or will not move after stop due to simultaneous depressing of the brake and accelerator pedals
37 14 30 20036582022-05-02. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE; POWER TRAIN. This condition may be caused when the brake pedal and the accelerator pedal are depressed simultaneously. Drivers who drive with their left foot resting on the brake pedal are prone to experience this condition. With the introduction of Electronic Power Control (EPC) (no accelerator cable) to fuel injection systems, an engine RPM control feature has been incorporated into the engine electronic control system software. Customer states that the engine returns to idle speed of approximately 1,400 RPM although the accelerator is depressed, and/or the vehicle hesitates (lacks power on take-off).
A301722 2019850-2018-02-05. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. This technical service bulletin provides guidelines for diagnosing the clutch plate.
A011461 2035235-2017-11-08. Service bulletin. ENGINE; POWER TRAIN. Supersedes Technical Service Bulletin Group 01 number 13-36 dated October 9, 2013. The customer reports that the engine warning light illuminates sporadically. The engine may have reduced performance without significant loss of power or stalling. Noise is heard coming from the engine compartment, specifically from the High Pressure Fuel Pumps 2. DTCs are stored in the ECM.
Executive Servic2017-10-27. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; SERVICE BRAKES, HYDRAULIC:FLUID; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE; POWER TRAIN. This document contains a fluid capacity chart as well as a chart that contains the parts and part numbers needed for service.
A271525 2036392-2017-10-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE. Supersedes Technical Service Bulletin Group 27 number 14-23 dated April 24, 2014. Vibrations are felt at 1000 rpm and 3000 rpm. DTCs may be stored in the subframe mount control module. Optimized J931 control module software.
A151526 2039995-2017-10-25. Service bulletin. ENGINE; POWER TRAIN. Rattling noises are heard from the timing chain drive for about 1-3 seconds after the first engine start of the day. The noises are caused by one of the upper chain tensioners. The noises do not lead to damage. Improved chain tensioner.

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