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Service bulletins for the 2012 Volkswagen Passat

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.

1572 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
V691402 20297672017-12-05. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Technical Bulletin (Airbag Warning Lamp Illuminated in Instrument Cluster): Airbag lamp in instrument cluster may illuminate due to unfastened connector for passenger airbag warning lamp. This document informs on how to diagnose that this issue is taking place
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).
V871617_20441652017-11-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Updated vendor code and parts table.
V871618_20437042017-11-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Updated to include additional model year and required documentation instruction.
V211507 20361102017-11-08. Service bulletin. ENGINE. Technical Bulletin (Engine Lacks Performance, Shaft of Turbine Fan of Turbo Charger Broken or Seized): This document contains the method to diagnose, and to service this issue.
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 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.
V261507 20315832017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT. Technical Bulletin (Exhaust Pressure Control Valve / Exhaust Gas Recirculation Flow issues): This document contains the fault codes needed to diagnose, and service the issue. The document contains the fault codes necessary to check warranty coverage for servicing the 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.
V211505 20361102017-11-08. Service bulletin. ENGINE; POWER TRAIN. Technical Bulletin: Engine Lacks Performance, Shaft of Turbine Fan of Turbo Charger Broken or Seized. In the case of a damaged turbocharger it is important to follow the steps contained in this document to avoid repeat repairs.
TT 21-15-012017-11-08. Service bulletin. ENGINE AND ENGINE COOLING. Tech Tips (Air Coolant Pump Control Circuit/Open): The document discusses diagnosing for the fault code DTC P023A (Charge Air Coolant Pump Control Circuit/Open)
TT 23-15-012017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, GASOLINE. Tech Tips (Exhaust Gas Recirculation System Performance issues): After replacing the mass air flow sensor basic setting must be reset. This document informs of the procedure necessary to perform the reset
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 19-13-022017-11-08. Service bulletin. ENGINE AND ENGINE COOLING. Tech Tips (Coolant Leak or Repeat Coolant Leak from the Water Pump Area): The document informs to inspect for issues, and why issues may happen. It also notes how to fix the issue, and other issues that could happen while repairing the issue
TT 19-12-012017-11-08. Service bulletin. ENGINE. Tech Tips (Radiator Identification Sensor): On TSI (2.0l CCTA, CBFA) equipped vehicles with fault code P2568 Direct Ozone Reduction Catalyst Temperature Sensor, this fault refers to - G611- as Radiator Identification Sensor. If the radiator requires replacement on any above listed vehicle, the -G611- will be packaged separately within the radiator packaging. The new sensor will need to be bonded to the radiator.

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