Volkswagen Passat 2012–2014 — technical service bulletin
Bulletin TT 97 21 01 · NHTSA communication 10187576 · issued Feb 26, 2021
Technical service bulletin
communication type
Power Train
component
2012–2014
model years
3
vehicle entries
Official summary
No Start, No DTCs, possible wiring concern at transmission range switch.
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.