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Service bulletins for the 2013 Audi A8

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: Automatic transmission are shown. Show all

Bulletins, newest first
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.
Dealer Letter -2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. On certain Audi A8 and S8 vehicles with 4.0L engines, shifting operation of the gearbox may feel uncomfortable. Update the ECM and TCM software to the latest level.
Update Bulletin2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. On Audi A8 and S8 vehicles with 4.0L engine shifting operation of the gearbox may feel uncomfortable. This Update is in effect until removed. Procedure is valid only for vehicles that show the 37H1 code in the ElsaWeb Campaign/Action Information screen on the day of repair. Vehicle must be within the Federal Emissions Warranty. Procedure must be performed within the allotted time frame stated in this Technical Service Bulletin. Procedure must be performed on applicable vehicles in dealer inventory prior to sale. On Audi A8 and S8 vehicles with 4.0L engines shifting operation of the gearbox may feel uncomfortable.
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.
A371437 2037137-2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer may report feeling a slight hesitation or delay at 5-9 mph after accelerating from a stop. Incorrect software calibration in the engine control module (ECM), J623, and transmission control module (TCM). New software in the ECM and TCM addressed the condition.
A371436 2037151-2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). DTC P174900 (Automatic transmission control module incorrect code) appears in the Transmission Control Module (TCM) after an SVM update. The self-coding function of the TCM may not complete during a software update.
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.
A001458 2026692-2017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. Supersedes Technical Service Bulletin Group 00 number 12-43 dated December 21, 2012. If a 2012 - 2015 Audi A8 L W12 arrives at an Audi dealership and requires diagnosis or repair, a Repair Authorization must be obtained. Prior to any repair, a Technical Assistance Center (TAC) ticket must be created for engine and transmission concerns only. Routine maintenance and PDI do not require prior authorization or a Technical Assistance Center (TAC) ticket. These procedures are mandatory until further notice. Warranty repairs without repair authorization via a TAC contact will not be reimbursed.
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.
A271525 2036392-2017-10-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE. Supersedes Technical Service Bulletin Group 27 number 14-23 dated April 24, 2014. Vibrations are felt at 1000 rpm and 3000 rpm. DTCs may be stored in the subframe mount control module. Optimized J931 control module software.
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.
2028985/52016-05-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
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-2031140/12016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); STEERING:GEAR BOX (OTHER THAN RACK AND PINION). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2030428/22016-05-09. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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-37-13-842013-04-09. 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.