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Service bulletins for the 2013 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.

1666 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
A661330 2030471-2017-11-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Supersedes Technical Service Bulletin Group 66 number 12-24 dated August 24, 2012. Customer may report the license plate attachment screws do not install properly. The license plate brackets are designed to be used with the appropriate length screw installed by hand with a screwdriver. Damaged warranty parts have been returned to Audi of America with evidence of excessive torque used when installing the screw and/or excessive screw length.
A371273 2031775-2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN; ELECTRICAL SYSTEM. Customer may report transmission warning lamp illuminated in instrument cluster. DTC P074100 (Torque Converter Clutch Circuit Performance or Stuck Off) is stored in TCM. Diagnostic error in TCM software.
Dealer Letter -2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; EQUIPMENT; STEERING; EXTERIOR LIGHTING:HEADLIGHTS. This document contains information on delivering the perfect audi vehicle and to pay special attention to completing any update technical bulletins that are active on the 2013 model year vehicles.
A371276 2029305-2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 37 number 12-74 dated November 28, 2012. Customer may report harsh downshifts while braking or harsh 1-2 upshift under acceleration. Further TCM software calibration to improve shift concerns.
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.
A371433 2029305-2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Supersedes Technical Service Bulletin Group 37 number 13-96 dated March 4, 2013. Customer may report harsh downshifts while braking or harsh 1-2 upshift under acceleration. Further transmission control module (TCM), J217 (address word 02), software calibration to improve shift concerns.
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.
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.
A3716692029305122017-03-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. THIS BULLETIN PROVIDES UPDATED SOFTWARE FOR THE TRANSMISSION CONTROL MODULE WHEN A CUSTOMER REPORTS HARSH DOWNSHIFTS WHILE BRAKING.
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.
2032941/12016-05-09. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION. 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.
SB-2032094/22016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2032094/12016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2031444/12016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TSB-37-13-172014-03-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). AUDI: THE TRANSMISSION CONTROL MODULE SOFTWARE WOULD ILLUMINATE IN INSTRUMENT CLUSTER AND VEHICLE FAILS TO MOVE AFTER SHIFTING INTO GEAR AND NEW SOFTWARE IS NEEDED TO ADDRESS CONDITION. *PE
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
TSB-37-13-842013-04-09. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. AUDI: WOULD HAVE HARSH 1-2 UPSHIFTS WHEN ACCELERATING OR HARSH DOWNSHIFTS WHEN BRAKING, TO ADDRESS BOTH CONCERNS, NEW SOFTWARE CALIBRATION FOR TRANSMISSION IS AVAILABLE. MODELS 2013 A4, A5, A5 CABRIOLET, ALLROAD, Q5, A6/A7, A8, A8L. *PE

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