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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
TT 01 20 052020-10-06. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR. Symptom based diagnostic assistance for high pressure fuel pump being out of time.
Dealer 24EZ2020-10-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen Sensor Aging-Correction Factor. Neither concern has a direct impact to vehicle exhaust or evaporative emissions. However, either condition could affect proper operation of the Malfunction Indicator Lamp (MIL).
Circular24EZREV12020-10-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen Sensor Aging-Correction Factor. Neither concern has a direct impact to vehicle exhaust or evaporative emissions. However, either condition could affect proper operation of the Malfunction Indicator Lamp (MIL). Problem description updated.
Circular 24EZ2020-10-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen Sensor Aging-Correction Factor. Neither concern has a direct impact to vehicle exhaust or evaporative emissions. However, either condition could affect proper operation of the Malfunction Indicator Lamp (MIL).
VIN4APIN202008182020-09-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE); EQUIPMENT:ELECTRICAL. Customer states MIL-on with P0496 Customer states oil leak from the engine Customer states oil leak from the engine Customer states MIL-on with P0111 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states rattle noise from under vehicle Customer states MIL-on with P0463 P2068 Customer states MIL-on, HPFP mounting bolts loose/broken Customer states clutch pedal makes noise No crank, no start Driver seat heater inoperative Customer states both headlights are cracked Customer states noise heard when adjusting air distribution on HVAC controls Wind noise from front doors
TT 13 20 012020-09-03. Service bulletin. ENGINE AND ENGINE COOLING. Oil pressure priming after engine replacement or internal repair.
VIN4APIN202007282020-08-06. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Customer states MIL-on with P0496 Customer states MIL-on with U0284 Customer states oil leak from the engine Customer states oil leak from the engine Customer states MIL-on with P0111 Customer states MIL-on with P0442 Customer states MIL-on with P2407 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states MIL-on, HPFP mounting bolts loose/broken No crank, no start Driver seat heater inoperative Customer states both headlights are cracked Customer states noise heard when adjusting air distribution on HVAC controls Wind noise from front doors Customer states MIL-on with P0401
V1719012012855302020-05-07. Service bulletin. ENGINE AND ENGINE COOLING. Update to Volkswagen engine oil specification attachments.
TT 15 20 012020-04-02. Service bulletin. ENGINE AND ENGINE COOLING. Timing chain reset adaptation.
V171901_20128552020-03-05. Service bulletin. ENGINE AND ENGINE COOLING. Update to Volkswagen engine oil specification attachments.
V1719012012855282020-02-08. Service bulletin. ENGINE AND ENGINE COOLING. Update to Volkswagen engine oil specification attachments.
V1917012022548_82020-02-08. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Update to Volkswagen Identifying and mixing of coolant. Introducing new coolant type.
V1917012022548_72020-02-08. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Update to Volkswagen Identifying and mixing of coolant. Introducing new coolant type.
V171803_20372012020-01-08. Service bulletin. ENGINE; EQUIPMENT. Engine Oil Checking at Pre-Delivery Inspection (PDI). Updated to include model year 2020 applicability.
V171901_20128552019-12-06. Service bulletin. ENGINE AND ENGINE COOLING. Update to Volkswagen engine oil standards.
TT 15-19-032019-12-06. Service bulletin. ENGINE AND ENGINE COOLING. Camshaft system diagnosis.
TT 15-19-022019-12-06. Service bulletin. ENGINE AND ENGINE COOLING. Information regarding updated cam bracket fastener length.
TT 01-19-102019-12-06. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. Additional test plans to clear memory after update programming in ECM.
TT 15-19-032019-12-06. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE. Camshaft system diag
V171901_20128552019-11-06. Service bulletin. ENGINE; EQUIPMENT. Update to Volkswagen engine oil standards.
V171901_20128552019-10-02. Service bulletin. ENGINE. Update to Volkswagen engine oil standards.
TT0119052019-10-02. Service bulletin. ENGINE AND ENGINE COOLING. Update to add applicable models and years
V171901_20128552019-09-10. Service bulletin. ENGINE. Update to Volkswagen engine oil standards. Also includes 2004 and 2005 Jetta Wagon and 2018-2020 Tiguan LWB
V171901_20128552019-08-07. Service bulletin. ENGINE. Engine oil quality standards. Also includes all models for 1997-2003. Also Rabbit from 2006-2009.
V171806-20178132019-06-24. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. Update to TB to include model year 2018 & 2019 applicability.

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