Volkswagen Jetta Hybrid 2013–2016 — technical service bulletin
Bulletin TT 01-16-04 · NHTSA communication 10123383 · issued Sep 9, 2016
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2013–2016
model years
4
vehicle entries
Official summary
Diagnosis and repair recommendation to address vacuum pump/relay concerns not covered by test plan or the repair manual.
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.