Volkswagen ID.4 2021–2022 — technical service bulletin
Bulletin Circ 93P7_REV2 · NHTSA communication 10236361 · issued May 16, 2023
Technical service bulletin
communication type
Hybrid Propulsion System
component
2021–2022
model years
2
vehicle entries
Official summary
SERV_ACT - HV Battery Module(s) - Updated vehicle counts for USA only Added important cell module balancing instructions"
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.