Volkswagen Golf 2013–2018 — technical service bulletin
Bulletin VIN-4-A-PIN Sept · NHTSA communication 10157290 · issued Sep 18, 2017
Technical service bulletin
communication type
Engine
component
2013–2018
model years
12
vehicle entries
Official summary
MIL-on P0420 and/or P0430 in the ECM
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.