Brightdrop Zevo 400 2023–2025 — technical service bulletin
Bulletin 25-NA-108 · NHTSA communication 11024499 · issued May 12, 2025
Technical service bulletin
communication type
Electrical System
component
2023–2025
model years
10
vehicle entries
Official summary
This bulletin provides a procedure to inspect and verify the drive shafts are over extending past the 5mm tolerance, causing the customers concern of a fluid leak under the vehicle.
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.