Volkswagen ID.4 2009–2021 — technical service bulletin
Bulletin Dealer 23EM · NHTSA communication 10228694 · issued Dec 19, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2021
model years
5
vehicle entries
Official summary
SERV_ACT - Engine Control Module (ECM) Software
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.