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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.

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Only bulletins with component: Transmission control module are shown. Show all

Bulletins, newest first
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.
A971442 2036764-2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 97 number 14-41 dated March 18, 2014. The MIL is on. Vehicle will not start. DTC P068A00 is stored in the engine control module (ECM), J623 (address word 01). Numerous unrelated DTCs are also stored in the system, including: P056200, P057100, P068700, P068A00, P162400, P190C00, U010000, U010100, U012100, U014600, U015500, U021200, U101100, U102600, U111100, U111300, U140000, VAG00003, VAG00185, VAG00263, VAG00317, VAG00384, VAG00446, VAG00456, VAG00457, VAG00466, VAG00473, VAG00532, VAG00565, VAG00591, VAG00714, VAG00819, VAG00955, VAG01217, VAG01299, VAG01314, VAG01315, VAG01317, VAG01320, VAG01330, VAG01331, VAG01332, VAG01334, VAG01333, VAG01336, VAG01705, VAG01964, VAG02067, VAG02072, VAG02095, VAG02103, VAG02203, VAG02214, VAG02635, VAG02812, VAG02874, VAG03041, VAG03157, VAG03166, VAG03220, VAG03278, and/or VAG03531. The motronic engine control module power supply relay, J271, is not functioning properly. Because the J271 relay controls battery voltage (Terminal 30) via a ground signal sent from the ECM, numerous faults can occur in multiple control modules when it is not functioning properly.
A971550 2034863-2017-10-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Supersedes Technical Service Bulletin Group 37 number 13-18 dated October 16, 2013. Customer may report that the gearbox warning message is on. DTC P0706 (driving mode sensor, implausible signal) is stored in the transmission control module (TCM), J217 (address 02). There is a reaction between the TCM and the automatic transmission fluid (ATF) in vehicles within a specific VIN range.
A011526 2041120-2017-10-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). The MIL is on. DTC P042000 and/or P043000 (Catalyst system Bank 1/2, Efficiency below threshold) is stored in the engine control module (ECM), J623 (address word 01). The diagnostic limitations were too narrow.
A011508 2030580-2017-10-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE. Supersedes Technical Service Bulletin Group 01 number 15-06 dated January 16, 2015. The customer complains that the vehicle sporadically cannot be started. The yellow gearbox warning light may be illuminated. DTC P157000 and/or DTC P170100 present in the ECM and the transmission control module, respectively.
A371664 203486342016-10-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). THIS TECHNICAL SERVICE BULLETIN DESCRIBES HOW TO FLUSH ATF BEFORE REPLACING THE TCM TO RESOLVE AN ISSUE THAT CAUSES DTC P0706.
SB-2030580/32016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2030582/32016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2030582/22016-05-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STEERING:GEAR BOX (OTHER THAN RACK AND PINION); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TSB-37-13-102013-12-02. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). AUDI: DUE TO A POSSIBLE MALFUNCTION OF GEARBOX, IN SOME VEHICLES, A MESSAGE MAY APPEAR IN CLUSTER AND BETWEEN AUTOMATIC TRANSMISSION FLUID (ATF) AND TRANSMISSION CONTROL MODULE, A REACTION MAY OCCUR. MODEL 2012-2013 A4, A5 CABRIOLET, A6. *PE

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