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Service bulletins for the 2012 Audi A6

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.

1506 on file from NHTSA, as of 2026-10-19.

About P0741 on the 2012 Audi A6: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0741 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.
37138620289852024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster, P074100 stored in TCM
37138520289852024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster, P074100 stored in TCM
3714222028985112022-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); LANE DEPARTURE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Transmission warning message in cluster (P074100 stored in TCM)
371397202898592022-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Transmission warning message in cluster, P074100 stored in TCM
371380202898562022-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; LANE DEPARTURE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Transmission warning message in cluster, P074100 stored in TCM
37 13 80 20289852022-05-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. DTC P074100 Torque Converter Clutch Circuit Performance or Stuck Off is stored in TCM. Customer may report transmission warning lamp illuminated in instrument cluster.
A371386 2028985-2017-11-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. 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.
A371385 2028985-2017-11-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Supersedes Technical Service Bulletin Group 37 number 13-80 dated January 16, 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.
A371301 2028985-2017-11-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 37 number 13-97 dated March 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 transmission control module (TCM), J217 (address word 03). The fault occurs with ATF temperature below 60o C. Check for this temperature 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.
A371397 2028985-2017-11-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN. Supersedes Technical Service Bulletin Group 37 number 13-86 dated February 6, 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 transmission control module, J217 (03). The fault occurs with ATF temperature below 60o C. Check for this temperature 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.
A371434 2028985-2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Supersedes Technical Service Bulletin Group 37 number 14-22 dated May 1, 2014. Transmission warning may appear 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 transmission control module (TCM). The fault occurs with ATF temperature below 60o C. Check for this temperature 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.
A371422 2028985-2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 37 number 13-01 dated April 24, 2013. Transmission warning may appear 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 transmission control module (TCM), J217 (address word 03). The fault occurs with ATF temperature below 60o C. Check for this temperature 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.