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Service bulletins for the 2012 Volkswagen Touareg

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.

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

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Only bulletins with component: Software are shown. Show all

Bulletins, newest first
9114062024-04-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RNS 850 Radio Software Update
TB0114072023-08-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; UNKNOWN OR OTHER. Software Version Management
Guide2023-08-14. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). P0102, P1128, P1296 - WA front oxygen sensor faults
9114062023-07-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RNS 850 Radio Software Update
VOS-23-212023-07-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This communication is a notice for software changes with the ODIS program for specific cars.
V0118122014603192023-07-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Software Version Management (SVM) instruction.
VOS-23-142023-07-10. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. This communication is a notice for software changes with the ODIS program for specific cars
VOS-22-272022-07-01. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. This document outlines updates to the ODIS diagnostic software. Updates include corrected diagnostic test plans for the stated vehicles.
A0021552011732122022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates.
V0118122014603172021-07-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Software Version Management (SVM)
VOS-20-152020-05-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This document outlines updates to the ODIS diagnostic software. Updates include corrected diagnostic test plans for the stated vehicles.
VOS-19-342020-01-08. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. This document outlines updates to the ODIS diagnostic software. Updates include corrected diagnostic test plans for the stated vehicles.
Dealer 24EF2019-12-06. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Engine and/or transmission control module software designed and certified for similar models/model years was used in vehicles affected by this emissions service action. It is undetermined whether there could be an impact to OBD or CO2 emissions. As a precautionary measure, Volkswagen is proactively updating the software calibrations on affected vehicles.
Circular 24EF2019-12-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Engine and/or transmission control module software designed and certified for similar models/model years was used in vehicles affected by this emissions service action. It is undetermined whether there could be an impact to OBD or CO2 emissions. As a precautionary measure, Volkswagen is proactively updating the software calibrations on affected vehicles.
VOS-19-242019-10-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This document outlines updates to the ODIS diagnostic software. Updates include corrected diagnostic test plans for the stated vehicles.
VOS-19-222019-09-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This document outlines updates to the software used to perform vehicle diagnostics
MIB II Troublesh2019-04-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. MIBII Informational Document
Dealer Letter an2019-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE; ENGINE. VOLKSWAGEN DEALERSHIP COMMUNICATION (UPDATE 23K9 TDI Software): Volkswagen informs dealers on an upcomming update necessary to address an impendending issue. The Diagnostic strategy of ECM software is too sensitive, causing the MIL to illuminate and the following faults to set in the ECM/EDC memory during system checks: ? P208C ? Reductant Pump ?A? Control Circuit Low ? P208E ? Reductant Injection Valve Stuck Closed Bank 1 Unit 1 ? P20EE ? SCR NOx Catalyst Efficiency Below Threshold Bank 1 ? P150A ? Engine Off Timer Performance The corrective action taken to solve this issue was an Software update.
Update Bulletin2019-04-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. UPDATE Technical Bulletin (UPDATE ? 23K9 Touareg TDI Software): This UPDATE installs new ECM/EDC software to prevent a false illumination of the check engine light. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.
MIB II Troublesh2019-04-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. MIBII Informational Document
VSS 18-072018-12-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. TDI update
V011812-20146032018-12-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Update content and include additional models and model year applicability.
TT0017032018-04-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Tip for Scan tool concerns that may occur duing a test plan
Quick Reference2018-04-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Quick Reference of vehicle concerns. Includes a list of Software versions and the technical bulletin numbers that referred to the concerns Updated
Ref. - Reflash U2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Quick Reference Update Guide of the vehicles expected upgraded software level. The latest corresponding technical bulletins that address the issues, and concerns that have been had with the vehicles.

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