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Service bulletins for the 2015 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.

1134 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
On-car analysis2018-09-17. Service bulletin. ENGINE. On-car analysis list of Customer Complaints: Mil?on with fault code P046C, untouched vehicles
On-car Analysis2018-08-06. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE. On-car analysis list of customer compliants: Mil?on with fault code P046C, untouched vehicles
On-Car Analysis2018-08-06. Service bulletin. ENGINE; EQUIPMENT:ELECTRICAL. On-car analysis list of customer compliants Customer Complaint: Mil?on no electric drive mode, untouched vehicles
On-Car Analysis2018-08-06. Service bulletin. ENGINE; EQUIPMENT:ELECTRICAL. On-car analysis list of customer compliants Customer Complaint: Mil?on no electric drive mode, untouched vehicles
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
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.
TT261702_20468032018-02-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. Assistance diagnosing Selective Catalitic Reduction (SCR) Adblue Pressure Faults P20E8, P208B, P218F and P249C
V131702 20443502018-02-05. Service bulletin. ENGINE. Update TB to include model year 2017 and include additional engine applicability.
23Q3 Circular re2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; 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.
23Q3 Circular re2018-02-05. 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.
23Q3 Customer le2018-02-05. 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.
23Q3 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.
23Q3 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.
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
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.
23Q3 Circular Re2017-12-14. 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.
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.
V011515 20401712017-11-08. Service bulletin. EQUIPMENT; ENGINE. Technical Bulletin (The camshaft adjuster control valve may stick causing camshaft position faults.): This document contains the fault codes needed to diagnose, and service the issue. The document contains the fault codes necessary to check warranty coverage for servicing the 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.
V261506 20394362017-11-08. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. Technical Bulletin (Ad Blue Leakage at Reductant Injector): Welding process issues of the reductant line connector to the supply line may cause Ad Blue leakage at the reductant injector. This document contains the fault codes needed to diagnose, and service the issue. The document contains the fault codes necessary to check warranty coverage for servicing the 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.

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