Volkswagen Jetta 2022–2024 — technical service bulletin
Bulletin V0125042078029_2 · NHTSA communication 11020321 · issued Jun 12, 2025
Technical service bulletin
communication type
Engine
component
2022–2024
model years
6
vehicle entries
Official summary
DTC P0456 & Update programming for Engine/Motor Control Module
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.