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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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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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.
TT 0117052019-04-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Coding information for replacement ECM to address specific fault setting after the install.
24CX2019-04-08. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 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.
23U42019-04-08. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 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. EQUIPMENT; ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 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.
TT 17-13-012019-04-01. Service bulletin. ENGINE. Tech Tips (1.8T or 2.0T engines (CPRA, CPLA, CPPA), No/ low oil pressure at idle or oil pressure light on): This document informs to check under the oil filter for the mandrel to be missing. This must be transferred from the old filter and re-installed. The most likely scenario for this to occur is after an oil change.
V211302 20240612019-04-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Technical Bulletin (Rattling Noises from Engine Compartment Area or Exhaust System): Customers may complain of a rattling noise from engine or exhaust area while accelerating from 1800-3000 RPM. In order to complete proper diagnosis and ensure that the noise is coming from the turbocharger use the procedure in this document.
VSS-13-222019-04-01. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE; POWER TRAIN. 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 & transmission topics to ensure prompt analysis and resolution of any emerging concerns.
V191303 20225492019-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Electric Coolant Fans Continue to Run after Ignition is Switched OFF): This document informs it is considered normal operation for the electric coolant fans to continue to run for up to 15 minutes after the ignition is switched off in gasoline engine applications, and up to 16 minutes in diesel engine applications.
V171303 20178132019-04-01. Service bulletin. ENGINE. Technical Bulletin (Oil Consumption Measurement): Customers have stated oil consumption is higher than the Volkswagen oil consumption standard of up to 0.5 quarts per 600 miles, or 0.5 liters per 1000 km. This document informs how to test the oil consumption rate
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.
VSS-13-182019-04-01. Service bulletin. ENGINE AND ENGINE COOLING. 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.
Update Bulletin2019-04-01. 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.
Dealer Letter-Da2019-04-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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.
V971701 20481062019-04-01. Service bulletin. ENGINE. Instruction to protect oil pressure sw. to prevent contamination and possible failure when removing 1.8L & 2.0L engines
TT 0117062019-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Informtion to translate O2 sensor values being displayed by the scan tool.
TT 0117052019-04-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Coding information for replacement ECM to address specific fault setting after the install.
24DR-201902282019-04-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. SERV_ACT - Engine Control Module (ECM) Software_REVISED
Circular24DR31192019-04-01. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. Engine Control Module (ECM) Software_REVISED
MY 2014 VW Passa2019-03-11. Service bulletin. ENGINE AND ENGINE COOLING. Changed Sparkplug interval from 4 years/every 40K miles to 6 years/every 60K miles. Passat 1.8L
TT 15 18 012019-03-04. Service bulletin. ENGINE; EQUIPMENT. Balance shaft direction for debris issues.
customer letter2019-03-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 23Z3 pre-notification_customer
23Z32019-03-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Emissions Service Action 23Z3 / Improved Post-AEM Engine Control Module Software (AEM-C)
analysis list 022019-01-07. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; SERVICE BRAKES; LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK. Customer states noise from the engine/turbo and/or MIL-on and misfire faults
analysis list 032018-12-10. Service bulletin. SERVICE BRAKES; ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT:ELECTRICAL. MIL-on fault P2407 in the ECM

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