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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

Bulletins, newest first
TT 91 18 182019-03-04. Service bulletin. ELECTRICAL SYSTEM:HORN; STEERING: STEERING WHEEL/HANDLE BAR; STEERING. Horn and ancillary steering wheel controls diagnosis.
TT 91 18 162019-03-04. Service bulletin. EQUIPMENT. Antenna Connection Color Reference.
TT 20 18 052019-03-04. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, GASOLINE. Low side fuel pressure sensor explanation.
TT 01 18 162019-03-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Corrections after charging issues.
TT 96 12 032018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL. Loss of 15 power defeat process.
TT 91 18 112018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Voice Command button operation.
TT 91 18 092018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL. MIB2 system Identification tip
TT 91 18 082018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. Infotainment issues
TT 91 18 08 20182018-12-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Metadata correction, Infotainment issues
TT 91 18 072018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); LANE DEPARTURE:LANE KEEP:NAVIGATION SYSTEM/SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. Navigation SD card information.
TT 57 10 112018-12-10. Service bulletin. ELECTRICAL SYSTEM. Comfort/BCM Replacement direction, updated to include additional model year applicability.
TT 27 18 082018-12-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE; LANE DEPARTURE: SENSING SYSTEM: CAMERA. Information for additional diagnosis should the Driver Assistance Systems Front Camera not calibrate, complete calibration or set a limit exceeded fault.
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
TT 00 18 022018-12-10. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. DTC Status Bit Definitions.
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.
TT 58 18 012018-12-10. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Key Battery Diagnostic Process
TT 24 13 032018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Updated existing tip to include latest model years for explanation of P130A
TT 01 18 102018-12-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Direction to verify software levels to address P1612/U03000
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

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