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Service bulletin A351620 2030477-

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 id10118341
Published by NHTSA2017-10-04
Manufacturer's numberA351620 2030477-
Manufacturer's date2016-02-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

Gearbox malfunction message in cluster. DTCs P17D800, P179D00, P174000, P174C, P174B, P174F, P179C, P174A, and/or P174E are stored in the transmission control module. Fault codes and symptom codes must match exactly or this TSB should not be followed. Poor internal contact area on circuit board will lead to faults. Oil additives can cause the plastic circuit plates to delaminate, causing contact loss.

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, Automatic transmission

Trouble codes named

P1740, P174A, P174B, P174C, P174E, P174F, P179C, P179D, P17D8

Vehicles listed
AUDI RS 52013
AUDI S42010, 2011, 2012, 2013
AUDI S52010, 2011, 2012, 2013
AUDI S62013
AUDI S72013

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
371431201300252022-11-21. Service bulletin. ATF pan leaks
011387203372612022-10-31. Service bulletin. Technical Background There is an issue with the ECM and/or TCM software. Production Solution New software for the ECM and TCM addressed the condition.
011387203372612022-09-26. Service bulletin. Technical Background There is an issue with the ECM and/or TCM software. Production Solution New software for the ECM and TCM addressed the condition.
35 14 17 20322112022-05-31. Service bulletin. Gearbox warning light
35 13 12 20280852022-05-31. Service bulletin. leaks from transmission.
35 13 11 20273632022-05-31. Service bulletin. Drivability concerns or P1724 fault stored S-Tronic Transmission.
35 13 09 20280852022-05-31. Service bulletin. Speed S-tronic, leaks from transmission
AWA 22-032022-05-05. Service bulletin. This Document informs dealers on the new DSG transmission warranty extension for 2010-2012 S4 & S5 vehicles
35 13 15 20304772022-05-02. Service bulletin. The following message appears in the information display: ?Gearbox malfunction: you can continue driving.
37 14 31 20130022022-05-02. Service bulletin. As the sump pan gasket settles, the torque of the bolts decreases and the seal may leak. Automatic transmission fluid is leaking at the sump pan gasket.