Volkswagen Passat 2013 — technical service bulletin
Bulletin MY 2013 Maintena · NHTSA communication 10127865 · issued Jul 19, 2017
Technical service bulletin
communication type
Equipment
component
2013
model years
1
vehicle entries
Official summary
Sparkplugs: Changed footnote number 6 to state: "Every 4 years regardless of mileage: Replace spark plugs"
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.