Volkswagen Golf 2010–2013 — technical service bulletin
Bulletin Circular21H2REV1 · NHTSA communication 10169125 · issued Dec 6, 2019
Technical service bulletin
communication type
Engine
component
2010–2013
model years
5
vehicle entries
Official summary
Due to a parts catalog error, incorrect emissions related component(s) may have been installed on some vehicles during a past service repair visit. Dealers will inspect and, if needed, replace the component(s) as a proactive measure to ensure continued emissions compliance. REVISED: Removed the need for particle sensor plug on Touareg SCR Catalysts
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.