Volkswagen ID.4 2021 — technical service bulletin
Bulletin TT 63 21 01 · NHTSA communication 10194521 · issued May 28, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021
model years
1
vehicle entries
Official summary
Radar Sensor Cover service information
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.