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Service bulletin A371386 2028985-

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 id10123975
Published by NHTSA2017-11-17
Manufacturer's numberA371386 2028985-
Manufacturer's date2013-02-06
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

NHTSA's summary

Supersedes Technical Service Bulletin Group 37 number 13-85 dated February 4, 2013. Customer may report transmission warning lamp illuminated in instrument cluster. After ignition cycle, the warning message is no longer present. DTC P074100 "Torque Converter Clutch Circuit Performance" or "Stuck Off" is stored in TCM. The fault occurs with ATF temperature below 60o C. Check for this temp range in the extended environmental conditions of the diagnosis protocol. This TSB only applies if the ATF level is correct and there are no leaks.

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, Torque converter

Trouble codes named

P0741

Vehicles listed
AUDI A4 ALLROAD2013
AUDI A4 AVANT2011 to 2012
AUDI A52011, 2012, 2013
AUDI A5 CABRIOLET2011 to 2013
AUDI A62012, 2013
AUDI A72012, 2013
AUDI A82011, 2012, 2013
AUDI ALLROAD2013
AUDI Q52011, 2012, 2013
AUDI S82013

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
37126920311402024-02-20. Service bulletin. Warning message in cluster, no driving mode can be selected - Faults P09140, U040400, U010300 stored in TCM
37J1UPDATE2024-01-22. Service bulletin. TCM Update
Update37H52024-01-22. Service bulletin. Multitronic
Update37J12024-01-22. Service bulletin. Update the TCM software to the latest level with SVM
371431201300252022-11-21. Service bulletin. ATF pan leaks
3714222028985112022-11-21. Service bulletin. Transmission warning message in cluster (P074100 stored in TCM)
371420203627812022-11-21. Service bulletin. Rough downshifts when vehicle is slowed to a stop.
371399202902762022-11-21. Service bulletin. Transmission warning message in cluster.
371397202898592022-11-21. Service bulletin. Transmission warning message in cluster, P074100 stored in TCM
371396202930592022-11-21. Service bulletin. Harsh downshifts when braking or harsh 1-2 upshift under acceleration