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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.

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

Bulletins, newest first
V011812_20146032019-08-07. Service bulletin. ELECTRICAL SYSTEM. Update vehicle metadata to include pull ahead models. Also includes R32 2002-2007 and 2002-2006 Jetta Wagon.
V911701_20354732019-08-07. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Infotainment worksheet.
TT 00 19 012019-08-07. Service bulletin. ELECTRICAL SYSTEM. Vehicle Fuse location assistance.
VOS-19-202019-08-07. Service bulletin. ELECTRICAL SYSTEM. Document detailing changes and fixes to ODIS Service Diagnostic software.
TT 01 19 042019-05-06. Service bulletin. ELECTRICAL SYSTEM. UDS Basic settings directions
TT5719012019-05-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL. SVM clarification based on kessy equipment
VSS17042019-04-22. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM. Notification of the 2.0l Gen 2, TDI remediation fix monitoring via the VTA system, in alignment with campaigns 23U4.
V271902-20339782019-04-22. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Update to model year applicability. Generator Replacement Charging System inoperative/malfunctions, noise from engine compartment, accessory drive belt damaged or missing.
TT 91 19 012019-04-22. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Alternative method for radio code retrieval.
V271901-20118942019-04-15. Service bulletin. ELECTRICAL SYSTEM. Battery Testing and Charging instruction. Updated to include model year 2019 applicability.
TT 90 11 012019-04-15. Service bulletin. ELECTRICAL SYSTEM. Instrument cluster production mode solution, updated to include additional model and model year applicability.
TT 9115052019-04-08. Service bulletin. ELECTRICAL SYSTEM. Update to existing information to address phone concerns via bluetooth resulting from saved emoji information
TT 2710022019-04-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Updated to include model year 2014 thru 2018 applicability.
Dealer Letter -2019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. VOLKSWAGEN DEALERSHIP COMMUNICATION (2013 Model Year UPDATES & IQS Window): This document informs that during the next four months of the JD Power window, it?s very important for dealerships to take extra measures to ensure each new vehicle is delivered to customers in perfect condition. With this in mind, Volkswagen asks the dealers to pay special attention to completing the UPDATES in this document that will be active for certain 2013 model year vehicles in the dealers inventory as the IQS window officially opens on November 1st.
Reference Guide2019-04-08. Service bulletin. ELECTRICAL SYSTEM. Updates (RVU): This document informs of the reflashs that took place at specific updated software levels to address the complaints of various cars.
Reference Guide2019-04-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine Control Module Updates: This document informs of complaints, and the software updates/Tech Bulletins associated with servicing engine control module issues:
Reference Guide2019-04-08. Service bulletin. ELECTRICAL SYSTEM. Body/Infotainment Module Software Updates: This document informs of various complaints that were addressed in software updates, and technical bulletins.
Dealer Letter an2019-04-08. Service bulletin. ELECTRICAL SYSTEM. VOLKSWAGEN DEALERSHIP COMMUNICATION (Micro Switch for Oil Level): Volkswagen would like to inform dealers of an upcoming UPDATE. The opdate addresses Micro Switch for Oil Level. Continuous illumination of the ?oil level low? displayed in the MFI after oil has been properly filled caused missing signal to instrument cluster as hood is opened and closed. This signal is necessary to reset the oil level indicator in the instrument cluster as provided by the micro switch contained in the lower hood latch. The micro switch was not originally part of the vehicle build configuration of the 3.6L Passat SE model. The corrective action taken was to Install micro switch into the lower portion of hood latch.
V911222 20227392019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Technical Bulletin (Bluetooth System Identification): This document informs of the method to understand how to identify the various Bluetooth systems by: ? Visual Identification ? PR Code ? Part Number
V601203 20195682019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; VISIBILITY. Technical Bulletin (Sunroof / Sunshade, Will Not Open): The issued of The panoramic sunroof, regular sunroof or sunshade cannot be opened. The sunroof?s ?Basic Setting? has been unintentionally initiated by the customer. This document informs the procedure to reset the settings of the Sunroof / Sunshade so that functionality can be retained. 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.
V281203 20295142019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Technical Bulletin (Cylinder Glow Plug Circuit issues): Internal hardware issue of the glow plug relay may cause an over voltage supply to the glow plug(s) damaging the heating element. The production solution to this issue was Improved glow plug relays implemented in production and spare parts. 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.
Update Bulletin2019-04-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. UPDATE Technical Bulletin (UPDATE ? 96C7 Micro Switch for Oil Level): This update has been proactively released to prevent continuous illumination of the ?oil level low? displayed in the MFI after oil has been properly filled by providing the missing signal to instrument cluster as hood is opened and closed. This signal is necessary to reset the oil level indicator in the instrument cluster. This document informs of the method to service this issue to reset the oil level indicator in the instrument cluster
TT 90-12-042019-04-08. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Tech Tips (Service Interval Settings after Instrument Cluster Replacement): This document informs that after instrument cluster replacement, service interval maximum values may need to be manually set. To set values manually, use Vehicle self-diagnosis to select 17- Instrument Cluster, then adaptation. Channel ?SIA: maximum value of distance to service? should be set to 16000 km and channel ?SIA: maximum value of time to service? should be set to 372 days.
TT 27-11-022019-04-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Tech Tips (No Charging System Voltage): This document informs with a general overview of how to inspect and diagnosing a low battery or no charging system concern.
TT 57-10-042019-04-08. Service bulletin. ELECTRICAL SYSTEM. Tech Tips (No Communication with the J519 Vehicle Electrical System Control Module/Body Control Module): If no communication can be established to the Vehicle electrical system control module J519 (address word 09) in Guided Fault Finding or Vehicle Self Diagnosis, it may be necessary to cycle door locks. This document informs of the recommended observations that should be taken when performing the procedure.

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