Volkswagen ID.4 2023–2026 — technical service bulletin
Bulletin V1923012072064_4 · NHTSA communication 11029312 · issued Feb 5, 2026
Technical service bulletin
communication type
Engine
component
2023–2026
model years
5
vehicle entries
Official summary
Inspecting Cooling system for proper installation to prevent restrictions
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.