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Service bulletins for the 2012 Volkswagen Jetta SportWagen

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.

1084 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Fuel system are shown. Show all

Bulletins, newest first
V231705 20410632019-04-08. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. Update vehicle metadata for 2009 pull ahead.
On-Car Analysis2019-04-01. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. On-car analysis list of Customer Complaints: Fuel gauge doesn't read full when the fuel tank is
V011231 20235912019-04-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. Technical Bulletin (TDI Clean Diesel I/M (Inspection Maintenance) Testing Issues due to Readiness Not Set): Some readiness codes on TDI clean diesel vehicles require special driving conditions to be set. If DTCs have been recently erased from the vehicle?s ECM, it may take additional driving under different conditions to fully set OBD readiness parameters. MVB 89 (on non-UDS protocol ECM?s) will store correct data concerning OBD readiness. This document illustrates how to manually read OBD readiness codes.
TT 26-13-032019-04-01. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING. Tech Tips (CBEA, CJAA, CKRA engine codes DPF replacement and/or DTCS P2413, P2463): This document informs of the use of aftermarket air filters such as cotton bed steel mesh or cone style, can cause the MAF sensor to not read accurately, affecting vehicle performance and critical monitoring functions for the diesel particulate filter. This can also result in premature DPF failure. Only use factory air filters. The use of aftermarket air filters is not supported as the system was designed and calibrated to work with factory air filters.
Campaign Circula2019-04-01. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. Service Action Campaign (TDI Clean Diesel Engine Install Misfueling Guard): As diesel engine passenger vehicles become more popular, auto manufacturers have seen an increase in the number of misfueling cases where diesel engine vehicles are mistakenly fueled with gasoline. The resulting fuel system contamination can lead to costly repairs that are not covered under warranty. This document contains the procedure to install the Misfueling Guard.
V231706 20410632019-04-01. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. Update vehicle metadata for 2009 pull ahead.
TT 21 18 012018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. Incorrect removal of Turbocharger oil feed line may cause engine damage
Customer Letter2018-04-02. Service bulletin. FUEL SYSTEM, DIESEL. Warranty Extension for High-Pressure Fuel Pump: Volkswagen informed customers of a decision to extend the warranty for the high-pressure fuel pump (HPFP) in the TDI® Clean Diesel engine vehicle under specific conditions to 10 years or 120,000 miles, whichever occurs first, from the vehicle's original in-service date.
Dealer Letter -2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; FUEL SYSTEM, DIESEL. VOLKSWAGEN DEALERSHIP COMMUNICATION: The vehicle?s engine management software has been improved to assure the vehicle?s tailpipe emissions are optimized and operating efficiently for Volkswagen Vehicles Equipped with a 2.0L TDI Clean Diesel Engine
Campaign Circula2018-02-05. Service bulletin. FUEL SYSTEM, DIESEL. Service Action Campaign (Certain 2009-2012 Model Year Vehicles with TDI® Clean Diesel Engine Install Misfueling Guard): As diesel engine passenger vehicles become more popular, auto manufacturers have seen an increase in the number of misfueling cases where diesel engine vehicles are mistakenly fueled with gasoline. The resulting fuel system contamination can lead to costly repairs that are not covered under warranty. The corrective action taken was as an additional safeguard to help prevent a gasoline fuel pump nozzle from being used to fuel a TDI® Clean Diesel engine vehicle, dealers will install a misfueling guard in the fuel filler neck of vehicles affected by this action. Additionally, a new fuel filler neck cap will also be installed. Please note: The misfueling guard is designed to prevent a gasoline fuel pump nozzle from entering a vehicle?s fuel filler neck, thereby reducing the risk of fuel system contamination from gasoline. Even with this guard installed, remind anyone who refuels the vehicle that it requires diesel fuel, and to double-check the fuel pump to ensure the correct fuel is selected before filling the tank.
Campaign Circula2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, DIESEL. Emissions Service Action (Certain 2010-2014 Volkswagen Vehicles with 2.0L TDI® Clean Diesel Engine ECM Software Update): The vehicle?s engine management software has been improved to assure the vehicle?s tailpipe emissions are optimized and operating efficiently. Under certain operating conditions, the earlier strategy may have increased the chance of the vehicle?s MIL light illuminating. If the MIL illuminates for any reason, the vehicle will not pass an IM emissions inspection in some regions. The corrective action taken was to Install updated ECM software
Dealer Letter -2018-02-05. Service bulletin. FUEL SYSTEM, DIESEL. VOLKSWAGEN DEALERSHIP COMMUNICATION: This document is a FAQ concerning question customers may have about VOLKSWAGEN installing a preventative safeguard to prevent the pumping of gasoline instead of diesel into the Volkswagen Vehicles with TDI Clean Diesel Engine
Dealer Letter -2018-02-05. Service bulletin. FUEL SYSTEM, DIESEL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. VOLKSWAGEN DEALERSHIP COMMUNICATION: Volkswagen announced a warranty extension program to cover the High Pressure Fuel Pump on 2009-2012 model year TDI Clean Diesel Engine vehicles
WECF HPFP WEXT2018-02-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; FUEL SYSTEM, DIESEL. VOLKSWAGEN DEALERSHIP COMMUNICATION: This document announced a warranty Volkswagen extension program to cover the High Pressure Fuel Pump on 2009-2012 model year TDI Clean Diesel Engine vehicles.
Circular - 20T82018-02-05. Service bulletin. FUEL SYSTEM, DIESEL. Service Action Campaign: As diesel engine passenger vehicles become more popular, auto manufacturers have seen an increase in the number of misfueling cases where diesel engine vehicles are mistakenly fueled with gasoline. As an additional safeguard to help prevent a gasoline fuel pump nozzle from being used to fuel a TDI Clean Diesel engine vehicle, dealers will install a misfueling guard in the fuel filler neck of vehicles affected by this action. This document contains the fault codes work procedure for servicing these issues
V201305 20314262017-12-14. Service bulletin. 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 informs how to perform the diagnostic. 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.
Dealer Letter-FA2017-12-14. Service bulletin. FUEL SYSTEM, GASOLINE. VOLKSWAGEN DEALERSHIP COMMUNICATION (Revision to Service Action 20T8 Install Misfueling Guard): This document informs effective immediately, the work procedure for Service Action 20T8 has been revised to exclude the spring-loaded flap insert found in the 5K0 201 400 Misfueling Guard Kit. This change was made based upon feedback/recommendations received from dealer and field colleagues. An updated campaign circular has been posted to ServiceNet and will be visible in ElsaWeb shortly. An updated FAQ will also be available for dealer reference.
Dealer Letter an2017-12-14. Service bulletin. FUEL SYSTEM, GASOLINE. VOLKSWAGEN DEALERSHIP COMMUNICATION (Revision to Service Action 20T8 FAQ Install Misfueling Guard): This document informs with a FAQ for Service Action 20T8 has been revised to include additional information for dealers to share with customers about the misfueling guard.
Dealer Letter -2017-12-14. Service bulletin. FUEL SYSTEM, DIESEL. VOLKSWAGEN DEALERSHIP COMMUNICATION (Service Action 20T8 Install Misfueling Guard): Volkswagen has received feedback from some vehicle owners in localized areas who have concerns about their ability to refuel their vehicle after the 20T8 Service Action was performed. A few customers have advised that they are unable to fuel their vehicle at their preferred fueling stations or that it now takes a very long time to refuel. Volkswagen believes the root cause is attributed to damage and/or variances in diesel fuel nozzles found at fueling stations. At this time, Volkswagen has no evidence to conclude that there is any problem with the misfueling guard. Dealers should continue performing Service Action 20T8 on vehicles that show the code open in ElsaWeb. In discussing this action with customers, Volkswagen encourages to utilize the talking points in this document.
Campaign Circula2017-12-14. Service bulletin. FUEL SYSTEM, DIESEL. Service Action Campaign (Certain 2009-2012 Model Year Vehicles with TDI Clean Diesel Engine Install Misfueling Guard): As diesel engine passenger vehicles become more popular, auto manufacturers have seen an increase in the number of misfueling cases where diesel engine vehicles are mistakenly fueled with gasoline. The resulting fuel system contamination can lead to costly repairs that are not covered under warranty. The corrective action taken for this issue was installing a misfueling guard in the fuel filler neck of vehicles.
TT 0115032017-12-14. Service bulletin. FUEL SYSTEM, GASOLINE. Update to expand fuel testing for lean DTCS.
Dealer Letter -2017-12-14. Service bulletin. FUEL SYSTEM, OTHER. VOLKSWAGEN DEALERSHIP COMMUNICATION (Upcoming Communication to Owners of 2009-2013 MY Volkswagen TDI Clean Diesel Engine Vehicles Registered in the State of Illinois - Using Biodiesel Fuel Blends): Due to Illinois state tax incentives for biofuels, biodiesel blends of B5 or less may not be available in the State of Illinois. Volkswagen will continue to honor the terms and conditions of Volkswagen Limited Warranties that came with these vehicles.
TT 20-09-062017-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; FUEL SYSTEM, DIESEL. Tech Tips (TDI Engine - N75 Solenoid Valve Diagnosis): This document informs with graphical aid the testing of the N75 Solenoid Valve in the event of a turbocharger fault code such as P0299 or P0234. This applies to Mechanical Injection Style Diesel Engines, Pumpe Duse Style Diesel Engines and the new Common Rail Style Diesel Engines.
V231505 20410632017-11-08. Service bulletin. FUEL SYSTEM, DIESEL. Technical Bulletin (Fuel Rail/System Pressure, and Pressure Sensor issues): When diagnosing the Fuel Rail/System Pressure, and Pressure Sensor issue condition 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 the method to diagnose, and to service this issue
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

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