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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
TT 0117062019-04-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Informtion to translate O2 sensor values being displayed by the scan tool.
TT 0117012019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Update to existing tip for addressing Kessy vehicles in the AEM flash
TDI Dealer FAQs2019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This document informs dealers of TDI FAQs, a TDI checklist, and TDI common errors.
23U42019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. The Environmental Protection Agency and California Air Resources Board have determined that Volkswagen vehicles equipped with a 2.0L 4-cylinder TDI engine do not comply with applicable emissions regulations. The emissions control systems on the vehicles will not control emissions under off-cycle conditions as effectively as during the federal test procedure. The extent of the emissions increase under off-cycle conditions depends upon how the vehicles are driven.
23U42019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. The Environmental Protection Agency and California Air Resources Board have determined that Volkswagen vehicles equipped with a 2.0L 4-cylinder TDI engine do not comply with applicable emissions regulations. The emissions control systems on the vehicles will not control emissions under off-cycle conditions as effectively as during the federal test procedure. The extent of the emissions increase under off-cycle conditions depends upon how the vehicles are driven.
V941901-20115212019-04-08. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING. Condensation and/or water droplets visible on inside of exterior light lenses. TB updated to include model year 2019 applicability.
V401901-20283532019-04-08. Service bulletin. SUSPENSION. Front suspension noise repair.
TT 90 19 012019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Instructions to address oil sensor warning.
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 26 16 012019-04-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. AdBlue® mixture specification update when using refractometer
VSS-17-112019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Volkswagen of America is requesting your cooperation in supplying us with technical information related to the repair process for vehicles on which the TDI Generation II 2.0L emissions modification is being performed ?Campaign 23U4?. Volkswagen will use this information to ensure prompt analysis and resolution of any emerging concerns.
V571703 20417492019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Updated production solution and additional repair instruction.
V241709 20451382019-04-08. Service bulletin. EQUIPMENT. Update information regarding Top Tier brochure part number andVW literature ordering address
V131703 20443502019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Iinclude additional model year applicability and tool information.
V001713 20338462019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Update brochure part number, literature ordering websie address and include an additional 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 3710032019-04-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Update to model year applicability and existing tip for Dual clutch basic settings procedure.
TT 3709032019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN. Update model year applicability and existing tip for transmission basic settings direction.
TT 2710022019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Updated to include model year 2014 thru 2018 applicability.
TT 2614022019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. Update procedure to reset oxygen sensor adaptations, as a result of erratic test plan function.
TT 0117012019-04-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Updated to address additional model years. Tip to reinforce dealer scan tool update importance in regards to 23Q3/24CV/23U3 campaign
TT 0017022019-04-08. Service bulletin. EQUIPMENT:OTHER:LABELS; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Tip demonstrating label information for clarity
Bulletin-69M8 an2019-04-08. Service bulletin. EQUIPMENT; AIR BAGS. This communication informs the dealers of details on the Takata parts allocation/ordering.
VSS 17-042019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Notification of the 2.0l Gen 2, TDI remediation fix monitoring via the VTA system, in alignment with campaigns 23U4.
24CX2019-04-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. The snow flap in the inlet air box housing may remain partially to fully open. Should this occur, excess warm air could enter the air intake through the snow flap inlet.

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