WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
V171701 20128552018-04-16. Service bulletin. ENGINE AND ENGINE COOLING. 17 17 01 July 5, 2017 2012855 Supersedes Technical Bulletin 17-16-02 (V171602) dated April 29, 2016 due to updated oil standards lists to current specifications. Engine Oils Which Meet Volkswagen Oil Quality Standards
24CX - Dealer Le2018-02-05. 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.
VWoa Dealer Anno2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This document informs of Volkswagen AG and Audi AG received notice from the US Environmental Protection Agency, US Department of Justice and the California Air Resources Board of an investigation related to emissions compliance matters.
VIN-4-A-PIN 7-312018-02-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE; ELECTRICAL SYSTEM; INTERIOR LIGHTING; STRUCTURE:BODY. On-car analysis list of Customer Complaints: Customer states the oil light is on
TT171501-20401702018-02-05. Service bulletin. ENGINE. To add model year 2016 and 2017 applicability and reminder about Programming Activation of Oil Pressure Regulation/Retraction on all models with 1.8L CPKA and CPRA engines after engine assembly, cylinder head or turbocharger replacement.
V131702 20443502018-02-05. Service bulletin. ENGINE. Update TB to include model year 2017 and include additional engine applicability.
MY 2014 Maintena2018-02-05. Service bulletin. ENGINE; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Sparkplugs: Changed footnote number 6 to state: "Every 4 years regardless of mileage: Replace spark plugs"
23U4 - Circular2018-02-05. 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.
23U4 - Circular2018-02-05. 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.
23U4 - Circular2018-02-05. 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.
23U4 - Circular2018-02-05. 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.
Update Bulletin2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Technical Bulletin 26i2 UPDATE - EGR Valve Cover (NVLW): This UPDATE installs a cap onto the EGR valve to prevent a roll pin from falling out. This document gives tips on diagnosis and installation.
V001605 20338462018-01-08. Service bulletin. ENGINE. Updated to include additional model year applicability.
V011615 20148152018-01-08. Service bulletin. ENGINE. Update to include additional model year applicability.
VIN-4-A-PIN01-042017-12-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING. Customer states noise from the engine/turbo and/or MIL-on and misfire faults
Maintenance Card2017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ENGINE. 2014 Volkswagen Passat Maintenance Schedule For USA 3.6L Engine: This document contains the maintenance service schedule for a vehicle from 10,000 miles to 120,000 miles.
TT 21-13-012017-12-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Tech Tips (Equipped with Turbocharged Engine Turbocharger Replacement Tip): If mechanical damage is found to the turbocharger (e.g. damaged compression wheel, loose or broken shaft), it is not enough to just replace the turbocharger. This document informs the procedure of checks for damage.
V271301 20339782017-12-14. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Technical Bulletin (Generator Replacement): This document informs of Charging System inoperative/malfunctions, noise from engine compartment, accessory drive belt damaged or missing. From this condition one or more of the following symptoms are possible * Discharged Battery * No Start * Battery Indicator illuminated in Instrument Cluster * "Low Voltage" DTCs in various control modules * Engine noise * Accessory Drive Belt damaged or missing If a generator is replaced, there must be a confirmed failed GFF Test Plan available, or in the event of a mechanical failure of the component, complete and detailed documentation of the reason for the replacement, which must be submitted into the warranty claim comments.
V171302 20178132017-12-14. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Oil Consumption Measurement): Customer states 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. In order to provide effective lubrication and cooling of internal engine components, all internal combustion engines consume a certain amount of engine oil. Oil consumption varies from engine to engine and may change significantly over the life of the engine. Typically, engines with specified break-in periods consume more oil during the break-in period, and the oil consumption will stabilize after the break-in period. This document informs of oil consumption tests to check a vehicles performance.
V201306 20340722017-12-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Technical Bulletin Activated Charcoal Filter System, Solenoid Valve 1 -N80- (Canister Purge Valve) Diagnosis): Completing the GFF function test and performing a vacuum check on the Canister Purge Valve -N80- are essential to diagnose proper operation and to avoid unnecessary replacements. This document informs how to perform the Diagnosis check
23U4 - Circular2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING. 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. Revision Summary Updated loaner/rental instructions.
23U4 - Circular2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING; 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. Revision Summary Updated LOANER claiming instructions.
VSS 17-082017-12-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. VSS 17-08 - TDI Monitoring Program - Campaigns 23Q3/23U4/23U3 2.0L Emissions Modification - Gen I, Gen II and Gen III.
23U4 - Dealer le2017-12-14. Service bulletin. ENGINE. 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 20-09-062017-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; FUEL SYSTEM, DIESEL. Tech Tips (TDI Engine - N75 Solenoid Valve Diagnosis): This document informs with graphical aid the testing of the N75 Solenoid Valve in the event of a turbocharger fault code such as P0299 or P0234. This applies to Mechanical Injection Style Diesel Engines, Pumpe Duse Style Diesel Engines and the new Common Rail Style Diesel Engines.

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