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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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By component

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Bulletins, newest first
V151402 20321502017-12-05. Service bulletin. ENGINE. Technical Bulletin (Proper Removal of Engine Cover to Avoid Breakage): Pulling on the engine cover in some areas can cause damage. This document informs on the procedure to remove the engine cover.
V231402 20366562017-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Technical Bulletin (No Start, or Rough Running issues): When diagnosing a MIL ON, no-start or rough running concern on a common rail diesel vehicle, and no root cause is found after following all GFF diagnostic procedures, it may be necessary to check for metallic particles in the High Pressure Fuel Pump. If such an inspection is necessary, the guidelines in this document must be observed when removing the N290 Fuel Metering Valve
V231403 20366562017-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Technical Bulletin (No Start, or Rough Running due to Fuel Rail issues): When diagnosing the condition above on a common rail diesel vehicle, if no root cause is found after checking all other components and all GFF diagnostic procedures have been performed, it may be necessary to check for metallic particles in the High Pressure Fuel Pump using the service section of this document. If such an inspection is necessary, the following guidelines must be observed when removing the N290 Fuel Metering Valve.
V401401 20333472017-12-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Bulletin (CV Boot Replacement): Recommended procedure for removing damaged CV boot. This document informs of the expected condition of a CV boot upon removal
V601401 20195682017-12-05. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Technical Bulletin (Sunroof / Sunshade, Will Not Open): The panoramic sunroof, regular sunroof or sunshade cannot be opened. 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.
V871401 20055662017-12-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Technical Bulletin (HVAC, Unpleasant Odor): Unpleasant odor is coming from Heating and Ventilation system. Odor mainly occurs after vehicle has been sitting (unused) at least 5 hours and within 20 to 60 seconds after vehicle is first started. Condensation is a normal characteristic in all A/C systems. If odor is noticeable continue to follow this document. Contaminants are effectively neutralized using the AIRCOMATIC? II Ultrasonic Climate System Cleaner (VAS 6189A) or AIRCOMATIC? III Ultrasonic Climate System Cleaner (VAS 6189B) and AIRCO-CLEAN? Ultrasonic HVAC Treatment (30208). All other cleaning methods are no longer permitted. 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.
V941402 20115212017-12-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Technical Bulletin (Exterior Lights, Moisture Accumulation): Exterior light assemblies (headlights, taillights, fog lights, turn signals) are vented and may collect moisture on their inner surfaces, depending on humidity and other climatic changes. This document discusses necessary to diagnosis, and potential remedy of the issue.
V231605_20410572017-11-14. Service bulletin. FUEL SYSTEM, GASOLINE. Updated to remove redundant Touareg fuel seneor part number (sensor now comes with fuel line).
V931603_20352172017-11-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. To include model year 2017 applicability.
TT9111012017-11-12. Service bulletin. ELECTRICAL SYSTEM. Update to existing Tech Tip 91-11-01 for later model years, to direct technicians to the bluetooth compatibility chart.
V231506 20410572017-11-08. Service bulletin. FUEL SYSTEM, DIESEL. Technical Bulletin (Fuel Rail/System Pressure, and Fuel Rail Pressure Sensor issues): When diagnosing the condition above on a common rail diesel vehicle, if no root cause is found after checking all other components and all GFF diagnostic procedures have been performed, it may be necessary to check for metallic particles in the High Pressure Fuel Pump. This document contains a deeper procedure, and part table numbers. Also this document contains the method to diagnose, and to service this issue
V401502 20333472017-11-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Technical Bulletin (CV Boot Replacement): The Recommended procedure for removing damaged CV boot.
TT 66-11-012017-11-08. Service bulletin. TRAILER HITCHES; ELECTRICAL SYSTEM. Tech Tips: Touareg with Trailer Hitch ? J345 Trailer Recognition Control Module and/or Trailer Brake Controller Installation
TT 90-11-102017-11-08. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Tech Tips (Instrument Cluster Production Mode): This document informs the procedure to remove the production mode setting when it is displayed in the instrument cluster.
V011518 20235912017-11-08. Service bulletin. FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM. Technical Bulletin (TDI Clean Diesel I/M (Inspection Maintenance) Testing Issues due to Readiness Not Set): A Volkswagen TDI clean diesel is not ready for I/M (Inspection Maintenance) testing due to readiness codes not being fully set. Some readiness codes on TDI clean diesel vehicles require special driving conditions to be set. This document contains how to read the OBD readiness codes to diagnosis the status of the car, and gives examples on what is necessary to have the car up to spec
V201503 20314262017-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL SYSTEM, GASOLINE. Technical Bulletin: High Pressure Fuel Pump Diagnosis. Completing the GFF high pressure pump function test is essential to diagnose proper pump operation and to avoid unnecessary replacements. This document contains the procedure to update the programming on the diagnostic hardware. This document contains the fault codes necessary to check the warranty coverage for servicing this issue.
V241505 20381612017-11-08. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Intake manifold runner position sensor issues): This document informs what repairs are needed to fix the issue. This document contains the fault codes necessary to check the warranty coverage for servicing this issue.
V261505 20411102017-11-08. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (Selective Catalyst Reduction (SCR) heater electronics being ) contaminated with Ad Blue): This document informs what repairs are needed to fix the issue. This document contains the fault codes necessary to check the warranty coverage for servicing this issue.
V871506 20199472017-11-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING. Technical Bulletin (Air Conditioning, Cleaning of the Refrigerant Circuit (U.S.Only)): In cases where an air conditioning system component (such as a compressor or other system component) has failed and debris from the compressor or component is circulated throughout the refrigerant circuit, the refrigerant circuit must be cleaned of any and all debris or damage to the replacement components will result. This document contains information on how to diagnose, and service this issue.
V871508 20055662017-11-08. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical Bulletin (HVAC, Unpleasant Odor): Unpleasant odor is coming from Heating and Ventilation system. Odor mainly occurs after vehicle has been sitting (unused) at least 5 hours and within 20 to 60 seconds after vehicle is first started. This document contains information on how to diagnose, and service this issue.
V921502 20262532017-11-08. Service bulletin. VISIBILITY. Technical Bulletin (Windshield Wipers Streak or Smear): Windshield or rear window is streaked, has a snakeskin appearance, or the surface feels rough. To avoid unnecessary replacement of wiper blades, the condition and cleanliness of the windshield, rear window and wiper blades, should be checked first. This document contains information on how to diagnose, and service this issue.
V231502 20410572017-11-08. Service bulletin. FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM. Technical Bulletin (No Start, or Rough Running issues): When diagnosing the condition(No Start, or Rough Running) on a common rail diesel vehicle, if no root cause is found after checking all other components and all GFF diagnostic procedures have been performed, it may be necessary to check for metallic particles in the High Pressure Fuel Pump using the service section of this document.
TT 21-10-022017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; POWER TRAIN. Tech Tips: The document discusses the conditions of when turbo can to be fixed or replaced
TT 57-12-102017-11-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Tech Tips: When adapting keys on a Touareg, it is necessary to complete the ?Adapt Immobilizer? test
TT 64-14-022017-11-08. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; VISIBILITY:GLASS, SIDE/REAR; ELECTRICAL SYSTEM. Tech Tips (Heated Rear Window, One or More Lines Inoperative): To detect which line(s) is inoperative, utilize a volt meter to check for 0 V, which will be present after the open in the grid line. The check must be performed with the engine running and heated rear window switched on. Switch OFF the ignition and visually locate the damage.

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