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Service bulletin A391515 2028902-

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10119990
Published by NHTSA2017-10-21
Manufacturer's numberA391515 2028902-
Manufacturer's date2015-04-28
NHTSA componentPOWER TRAIN

NHTSA's summary

Supersedes Technical Service Bulletin Group 39 number 14-14 dated May 5, 2014. A squealing, howling, or whistling noise may be heard coming from under the vehicle. The condition is typically noticed when the vehicle is cold (normally below freezing) and is moving at speeds of 5 - 60 mph. The noise is from the intermediate bearing of the propeller shaft.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Vehicles listed
AUDI A42009, 2010
AUDI A4 ALLROAD2013, 2014, 2015
AUDI A4 AVANT2011 to 2012
AUDI A52009, 2010, 2011, 2012, 2013, 2014, 2015
AUDI A5 CABRIOLET2009 to 2015
AUDI A62012, 2013, 2014
AUDI A72012, 2013, 2014
AUDI A82012, 2013, 2014, 2015
AUDI Q52009, 2010, 2011, 2012, 2013, 2014, 2015
AUDI Q72009, 2010, 2011, 2012, 2013, 2014, 2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TSB_2082617_12026-08-05. Service bulletin. This bulletin provides information when there are noises in the overrun ( e.g. whirring, howling) - vehicles with 0BC.
TSB_2082615_12026-08-05. Service bulletin. This bulletin provides inormation when the ATF pipes leak; Q7 with 0C8 gearbox.
TSB_2034863_52026-08-05. Service bulletin. This bulletin provides infomraiotn when there is a gearbox malfunction message in the instrument clostuer; DTC P0706; vehicles with 0AW gearbox.
TSB_2082106_22026-07-07. Service bulletin. Ths bulletin provides informaiotn when the gearbox warning lamp is on, DTC P060A00 (8693) in gearbox control unit; 0BK and 0BL gearbox.
TSB_2082106_12026-07-07. Service bulletin. Ths bulletin provides informaiotn when the gearbox warning lamp is on, DTC P060A00 (8693) in gearbox control unit; 0BK and 0BL gearbox.
TSB_2082086_12026-07-07. Service bulletin. This bulletin provides informaiton when there is a leak on the oil hole between the planetary and the transfer box.
TSB_2082054_12026-07-07. Service bulletin. This bulleitn provides information when there is a delayed accelerator response.
TSB_2082047_12026-07-07. Service bulletin. This bulletin provides information when howling noises are heard from the rear of the vehicle at 34 mph; quattro with self-locking center differential.
TSB_2082046_12026-07-07. Service bulletin. This bulletin provides information when there is a strong jolt after engine automatically starts in start-stop mode; vehicles with 0BK & 0BL Gearbox.
TSB_2036278_32026-07-07. Service bulletin. This bulletin provides information when there are rough downshifts when the vehicle is slowed to a stop.