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Service bulletins for the 2014 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.

1567 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
Dealer Letter-Da2019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. VOLKSWAGEN DEALERSHIP COMMUNICATION (Upcoming UPDATE 01AE ? Coolant Flush (NVLW)): This is to inform dealers of an upcoming UPDATE that will be visible in ElsaWeb and ServiceNet on or about September 16, 2013. During the hot testing at the engine production facility, certain 1.8T engines may have been contaminated with poor quality coolant. Residual poor quality coolant may have been transferred to the engine cooling system during vehicle production. The corrective action taken for this issue was to flush the engine cooling system.
VSS-13-212019-04-08. Service bulletin. EQUIPMENT. Service Information (2014 Car-Net equipped Models - Market Introduction): During the market introduction of 2014 models equipped with Car-net, Volkswagen will collect all warranty repair information related to any components / failures specific to Car - Net to ensure prompt analysis and resolution of any emerging concerns.
VSS-13-182019-04-08. Service bulletin. POWER TRAIN; ENGINE. Service Information (2014 Volkswagen 1.8T Engine - Market Introduction temporary warranty process and parts return program): During the market introduction of the new 1.8T engine, Volkswagen will collect all warranty repair information relating to engine mechanical, engine drivability, fuel system, and transmission topics to ensure prompt analysis and resolution of any emerging concerns.
V911318 20350382019-04-08. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (Unsuccessful Car-Net Over The Air Registration (OTAR) during PDI): This document informs Car-Net LED will not illuminate green at PDI. Operating Control Unit (OCU/J949) will not perform a successful OTAR (Over The Air Registration). Adaptation value of some modules requires that 50km be placed on odometer before the Car-Net module (OCU/J949) will attempt to perform its OTAR and the LED to illuminate green. Pushing the ?i? button in the 3-Button assembly will override the 50km requirement of OCU and allow the OTAR to take place.
V001304 20344072019-04-08. Service bulletin. POWER TRAIN. Technical Bulletin (Choosing Service Numbers ? Transmission and Drivetrain): To ensure that customer concerns are being properly addressed, Volkswagen created a reference Service Numbers example sheet available for customer concerns/technician findings. Proper Service Number usage will ensure customer concerns/technician findings are properly addressed allowing for more accurate and timely repair information, Required Vehicle Updates and Technical Bulletins.
Update Bulletin2019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. UPDATE Technical Bulletin (Coolant Flush issues): This update has been proactively released to ensure proper coolant quality and performance of the engine cooling system. During the hot testing at the engine production facility, certain 1.8T engines may have been contaminated with poor quality coolant. Residual poor quality coolant may have been transferred to the engine cooling system during vehicle production. The production solution to this issue was coolant quality correction at engine facility.
TT 91-13-082019-04-08. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Tech Tips (Car-Net Operating Control Unit (OCU) Service Guidelines & General Information): This document informs of guidelines that should be followed to prevent mishandling of the Operating Control Unit
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)
VW Parts Accesso2019-04-08. Service bulletin. EQUIPMENT. Adhesive application for installation on all areo parts solds as an accessory
VSS 17-042019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Notification of the 2.0l Gen 2, TDI remediation fix monitoring via the VTA system, in alignment with campaigns 23U4.
VSS-13-202019-04-08. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 2014 UMI equipped models - Market Introduction: During the market introduction of 2014 models equipped with UMI, Volkswagen will collect all warranty repair information related to any components / failures specific to UMI to ensure prompt analysis and resolution of any emerging concerns
VSS-13-192019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Service Information (2014 Car-Net Equipped Models - Market Introduction): During the market introduction of 2014 models equipped with Car-Net, Volkswagen will collect all warranty repair information related to any components / failures specific to Car-Net to ensure prompt analysis and resolution of any emerging concerns.
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
24CX2019-04-08. Service bulletin. EQUIPMENT; ENGINE. 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.
V971701 20481062019-04-08. Service bulletin. ENGINE. Instruction to protect oil pressure sw. to prevent contamination and possible failure when removing 1.8L & 2.0L engines
VHW-17-112019-04-08. Service bulletin. EQUIPMENT. VAS 6154 Replacement Part Setup Guide
24CX2019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 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.
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.

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