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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
On Car Analysis2019-04-08. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. On-car analysis list of Customer Complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
On Car Analysis2019-04-08. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. On-car analysis list of Customer Complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
On Car Analysis2019-04-08. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. On-car analysis list of Customer Complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
On Car Analysis2019-04-08. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. On-car analysis list of Customer Complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
On Car Analysis2019-04-08. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. On-car analysis list of Customer Complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
On Car Analysis2019-04-08. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. On-car analysis list of Customer Complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
Control Module R2019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Quick Reference Update Guide: This document informs of the corresponding software/hardware and disc availability to the customer concerns about a vehicle
TT 80-13-012019-04-08. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Tech Tips (Passat-Blower Motor-Fault Diagnosis): If the vehicle comes in with a blower concern, check for DTCs. If DTCs are found, use the table in this document to diagnose the concern.
TT 44-10-012019-04-08. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; ELECTRICAL SYSTEM. Tech Tips (Tire Pressure Monitoring System): The TPMS system on the MY vehicles (2011-2013 Jetta, Tiguan, GTI, Golf and 2012-2013 Passat) is now an indirect type system. There are no sensors in the wheels as on previous models. There is no separate TPMS module, as all functions are part of the ABS module and monitored through the ABS sensors. This document informs where to find further detailed information on the system
On-car Analysis2019-04-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; POWER TRAIN. On-car analysis list of customer complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
On-car Analysis2019-04-08. Service bulletin. POWER TRAIN; EQUIPMENT; ELECTRICAL SYSTEM. On-car analysis list from customer complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
V961301 20261772019-04-08. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (Keyless Entry Inoperative after Access / Start (KESSY) Module Replacement): After replacing the Access/Start (KESSY) module, the keyless entry does not work. The Access/Start (KESSY) module service parts are programmed incorrectly, resulting in a lack of functionality. This document informs of the conditions necessary to allow the software to be reprogrammed
V261305 20315832019-04-08. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (Exhaust Pressure Control Valve issues): This document informs of the diagnostic issues resulting from malfunctions of the Exhaust Pressure Control Valve. If one or more of the faults are stored in the ECM fault memory, remove the exhaust flap to check for a sticking condition. If the flap cannot be moved or does not move freely, the exhaust flap must be replaced. 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.
TT 90 11 012019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Instrument cluster production mode solution, updated to include additional model and model year applicability.
TT 9115052019-04-08. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. Update to existing information to address phone concerns via bluetooth resulting from saved emoji information
TT 0117052019-04-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Coding information for replacement ECM to address specific fault setting after the install.
TT 57-11-112019-04-01. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Tech Tips (Window Convenience Opening / Closing Function): This document informs of the convenience opening and closing function of the windows on Passat and Golf /GTI differs from other models. The left front window switch on the driver?s door is used to raise and lower all windows with the ignition switched OFF. To raise all windows, lift up and hold the driver?s window switch until the windows are in the full up position. Perform the opposite to lower all windows.
TT 57-11-072019-04-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Tech Tips (Valet Key Operation): This document informs the valet key on the 2012-2013 Passat differs from earlier vehicles. The valet key is used to lock the glove box, ski pass-through door (if equipped), and the emergency seat back release cover only. The valet switch in the glove box can be activated to disable the rear lid release switches (including remote function), and then lock the glove box with the valet key. The customer then keeps the plastic valet key and gives the valet the remote flip key.
TT 26-12-022019-04-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ELECTRICAL SYSTEM. Tech Tips (AdBlue Level Reset Procedure): This document informs to reset the AdBlue level indicator after filling, use Guided Fault Finding Function/Component selection to perform the SCR system functions test plan, available under Drivetrain > 01 ? CKRA ? Engine ?J623 > 01-systems capable of self-diagnosis > 01 ? Diesel-direct fuel inj. and glow plug system EDC 17 > 01 ? Engine electronics functions. After starting test plan, make selection to "Set reducing agent fill level to full?.
Reference Guide2019-04-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Updates (RVU): This document informs of the reflashs that took place at specific updated software levels to address the complaints of various cars.
Reference Guide2019-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM; POWER TRAIN. Transmission Control Module Updates: This document informs of the software, and technical bulletins that service corresponding cars and their Transmission Control Module complaint issues.
Reference Guide2019-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE; ELECTRICAL SYSTEM. Engine Control Module Updates: This document informs of complaints, and the software updates / Tech Bulletins associated with servicing engine control module issues:
Reference Guide2019-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. Body/Infotainment Module Software Updates: This document informs of various complaints that were addressed in software updates, and technical bulletins.
Dealer Letter an2019-04-01. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:HOOD. VOLKSWAGEN DEALERSHIP COMMUNICATION (Micro Switch for Oil Level): Volkswagen would like to inform dealers of an upcoming UPDATE. The update 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.
V281203 20295142019-04-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.

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