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Service bulletins for the 2018 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.

609 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
V171805-20128552019-06-24. Service bulletin. ENGINE. Engine oils which meet Volkswagen oil quality standards.
TT 01 18 152019-06-24. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. Grill Shutter diagnostic steps
V171805-20128552019-06-12. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. Engine oils which meet Volkswagen oil quality standards.
TT 01 18 152019-06-11. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Grill Shutter diagnostic steps
TT 01 18 142019-06-11. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); EQUIPMENT ADAPTIVE/MOBILITY. Alternative diagnosis for lean fuel trim.
V271902-20339782019-04-22. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Update to model year applicability. Generator Replacement Charging System inoperative/malfunctions, noise from engine compartment, accessory drive belt damaged or missing.
V171901-20128552019-04-22. Service bulletin. ENGINE. Engine Oils Which Meet Volkswagen Oil Quality Standards
TT 15 19 012019-04-22. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING. Valve spring diagnosis.
TT 90 19 012019-04-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING. Instructions to address oil sensor warning.
Gasoline Engine2019-04-15. Service bulletin. ENGINE AND ENGINE COOLING. Gasoline Engine Misfire Diagnosis document
V001713 20338462019-04-08. Service bulletin. ENGINE. Update brochure part number, literature ordering websie address and include an additional model year applicability
VIN-4-A-PIN-20192019-04-08. Service bulletin. SUSPENSION; ENGINE; EQUIPMENT. Customer states noise from front suspension while driving
VIN-4-A-PIN Sept2019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. MIL-on P0420 and/or P0430 in the ECM
VIN-4-A-PIN-20192019-03-11. Service bulletin. ENGINE. Customer states there is an engine oil leak
VIN-4-A-PIN-20192019-03-11. Service bulletin. ENGINE. Customer states there is an engine oil leak
TT 21 18 012018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. Incorrect removal of Turbocharger oil feed line may cause engine damage
TT 10 12 012018-12-10. Service bulletin. ENGINE. Engine replacement tip
VIN-4-A-PIN-20182018-12-10. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR; VISIBILITY:SUN/MOON ROOF ASSEMBLY; ENGINE AND ENGINE COOLING. Coolant leak at the coolant pump, Yellow oil warning light on with any of the following faults P0196 P0198 B104129 B104135, Customer states the sunroof is making noise, squeak & rattle, MIL-on with P0300-P0304 in the ECM AFTER software level 0003, Damaged strut boots at PDI, Customer states sunshade is binding, Wind noise from front door, Customer says rear speaker is distorted, Customer states remote key inoperative. Remote start installation instructions
VIN-4-A-PIN-20182018-12-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; EQUIPMENT; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:DOOR. Coolant leak at the coolant pump, Yellow oil warning light on with any of the following faults P0196 P0198 B104129 B104135, Customer states the sunroof is making noise, squeak & rattle, MIL-on with P0300-P0304 in the ECM AFTER software level 0003, Damaged strut boots at PDI, Customer states sunshade is binding, Wind noise from front door, Customer says rear speaker is distorted, Customer states remote key inoperative.
V171802-20372012018-12-10. Service bulletin. ENGINE. Update to include additional model and model year applicability.
201807262018-12-10. Service bulletin. ENGINE AND ENGINE COOLING. Customer states engine oil leak
201807242018-12-10. Service bulletin. ENGINE AND ENGINE COOLING. Customer states engine oil leak
201807122018-12-10. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. Customer states engine oil leak
201807052018-12-10. Service bulletin. ENGINE. Customer states engine oil leak
VIN-4-A-PIN_20182018-12-03. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Coolant leak at the coolant pump

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