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
V871407 20372802017-12-05. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Water /Snow in Blower Housing): Water /Snow may enter the fresh air port of the blower housing contaminating the blower. The blower motor bearings may fail and create a high pitched noise. Excess water/snow enters the water box through the drain port located in the wheel housing. Revised parts. The product solution for this issue was -New passenger side wheel liner in production CW20/2014. -New blower air intake cover and water deflector in production CW28/2014. 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.
V011408 20148152017-12-05. Service bulletin. ENGINE. Technical Bulletin The use of contaminated gasoline, seasonal fuel changes (summer/winter fuel) or gasoline with a low content of deposit control additives may result in one or more of the following conditions: -Excessive accumulation of deposits on intake valves, intake manifold, fuel injectors and combustion chambers. -Engine runs rough after cold start. -Excessive engine cranking time. -Stumbles while driving. -Rough engine idle. -Loss of engine performance. -Poor fuel economy. This document informs of the procedure for the vehicle if it is diagnoised with poor quality gas
V151402 20321502017-12-05. Service bulletin. ENGINE. Technical Bulletin (Proper Removal of Engine Cover to Avoid Breakage): Pulling on the engine cover in some areas can cause damage. This document informs on the procedure to remove the engine cover.
V211402 20361102017-12-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Technical Bulletin (Engine Lacks Performance, Shaft of Turbine Fan of Turbo Charger Broken or Seized): In the case of a damaged turbocharger it is important to follow the steps contained in this document to avoid repeat repairs. 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.
V231402 20366562017-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Technical Bulletin (No Start, or Rough Running issues): When diagnosing a MIL ON, no-start or rough running concern on a common rail diesel vehicle, and no root cause is found after following all GFF diagnostic procedures, it may be necessary to check for metallic particles in the High Pressure Fuel Pump. If such an inspection is necessary, the guidelines in this document must be observed when removing the N290 Fuel Metering Valve
V231403 20366562017-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Technical Bulletin (No Start, or Rough Running due to Fuel Rail issues): When diagnosing the condition above on a common rail diesel vehicle, if no root cause is found after checking all other components and all GFF diagnostic procedures have been performed, it may be necessary to check for metallic particles in the High Pressure Fuel Pump using the service section of this document. If such an inspection is necessary, the following guidelines must be observed when removing the N290 Fuel Metering Valve.
V211507 20361102017-11-08. Service bulletin. ENGINE. Technical Bulletin (Engine Lacks Performance, Shaft of Turbine Fan of Turbo Charger Broken or Seized): This document contains the method to diagnose, and to service this issue.
V201503 20314262017-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL SYSTEM, GASOLINE. Technical Bulletin: High Pressure Fuel Pump Diagnosis. Completing the GFF high pressure pump function test is essential to diagnose proper pump operation and to avoid unnecessary replacements. This document contains the procedure to update the programming on the diagnostic hardware. This document contains the fault codes necessary to check the warranty coverage for servicing this issue.
V801503 20405802017-11-08. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING. Technical Bulletin (No Heat from Passenger Side Cabin ? Heater Core Restricted): Excess flux from the aluminum cooling system components (EA189 TDI engine CKRA) contaminates the cooling system. This over time causes a high acidic concentration in the coolant. The result is oxide particles (aluminum rust) and excess flux restricting the heater core. This document contains information on how to diagnose, and service this issue.
V801504 20405802017-11-08. Service bulletin. ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE. Technical Bulletin (No Heat from Passenger Side Cabin - Heater Core Restricted): The customer may complain that the cabin heating output is insufficient on the passenger side. This document contains information on how to diagnose, and service this issue.
V871506 20199472017-11-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING. Technical Bulletin (Air Conditioning, Cleaning of the Refrigerant Circuit (U.S.Only)): In cases where an air conditioning system component (such as a compressor or other system component) has failed and debris from the compressor or component is circulated throughout the refrigerant circuit, the refrigerant circuit must be cleaned of any and all debris or damage to the replacement components will result. This document contains information on how to diagnose, and service this issue.
V871508 20055662017-11-08. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical Bulletin (HVAC, Unpleasant Odor): Unpleasant odor is coming from Heating and Ventilation system. Odor mainly occurs after vehicle has been sitting (unused) at least 5 hours and within 20 to 60 seconds after vehicle is first started. This document contains information on how to diagnose, and service this issue.
V211505 20361102017-11-08. Service bulletin. ENGINE; POWER TRAIN. Technical Bulletin: Engine Lacks Performance, Shaft of Turbine Fan of Turbo Charger Broken or Seized. In the case of a damaged turbocharger it is important to follow the steps contained in this document to avoid repeat repairs.
TT 27-15-012017-11-08. Service bulletin. POWER TRAIN; ENGINE. Tech Tips (No Crank, No Start After Cold Soak issues): Concern may be the result of a leaking vacuum check valve not holding residual pressure overnight. This results in a hard brake pedal that may require more pressure than usual to allow the vehicle to crank.
TT 23-15-012017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, GASOLINE. Tech Tips (Exhaust Gas Recirculation System Performance issues): After replacing the mass air flow sensor basic setting must be reset. This document informs of the procedure necessary to perform the reset
TT 21-10-022017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; POWER TRAIN. Tech Tips: The document discusses the conditions of when turbo can to be fixed or replaced
TT 19-13-022017-11-08. Service bulletin. ENGINE AND ENGINE COOLING. Tech Tips (Coolant Leak or Repeat Coolant Leak from the Water Pump Area): The document informs to inspect for issues, and why issues may happen. It also notes how to fix the issue, and other issues that could happen while repairing the issue
TT 19-12-012017-11-08. Service bulletin. ENGINE. Tech Tips (Radiator Identification Sensor): On TSI (2.0l CCTA, CBFA) equipped vehicles with fault code P2568 Direct Ozone Reduction Catalyst Temperature Sensor, this fault refers to - G611- as Radiator Identification Sensor. If the radiator requires replacement on any above listed vehicle, the -G611- will be packaged separately within the radiator packaging. The new sensor will need to be bonded to the radiator.
TT 32-15-012017-11-08. Service bulletin. ENGINE; POWER TRAIN. Tech Tips: Issues with Transmission-Knocking Noise from the Rear of the Engine or Bell Housing Area
V801501 20405802017-11-08. Service bulletin. ENGINE; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Technical Bulletin (No Heat from Passenger Side Cabin ? Heater Core Restricted (CKRA Diesel only)): This document contains the fault codes necessary to diagnosis the issue. It contains the parts, and their part numbers needed to fix the vehicles .It contains warranty information necessary to inquire if the service is covered
V801502 20405802017-11-08. Service bulletin. ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Technical Bulletin (No Heat from Passenger Side Cabin ? Heater Core Restricted (CKRA Diesel only)): This document contains the fault codes necessary to diagnosis the issue. It contains the parts and their part numbers needed to fix the vehicles .It contains warranty information useful to inquire if the service qualifies under coverage. The document contains the gasket kit part number.
V201502 20314262017-11-08. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE. Technical Bulletin (High Pressure Fuel Pump Diagnosis): Completing the GFF high pressure pump function test is essential to diagnose proper pump operation and to avoid unnecessary replacements
V241503 20401792017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. Technical Bulletin: This document refers to direction on DTC P2014 Intake Manifold Position Sensor -G336- Replacement, and its fault codes.
V001413 20338462017-11-08. Service bulletin. ENGINE. Technical Bulletin (Fuel Additive to Help Prevent Sporadic Misfire Faults): Fuel quality impacts the operating performance, efficiency and service life of the engine. The use of poor quality fuels may result in deposit build up on the fuel injectors and intake valves. This may result in a rough running condition, sporadic misfires, or cold start misfire faults storing in the ECM fault memory. This document informs a Volkswagen approved fuel additive is available to help remove and prevent deposits on fuel injectors and intake valves.
V011423 20340122017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. Technical Bulletin (Manifold Absolute Pressure Range / Performance issues): This document informs that the monitoring strategy for the manifold absolute pressure sensor being too sensitive, causing P0106 to incorrectly set in the engine control module. The product solution for this issue was improved software.

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