Brightdrop Zevo 400 2022–2024 — technical service bulletin
Bulletin PIE0788C · NHTSA communication 11004943 · issued Jun 28, 2024
Technical service bulletin
communication type
Electrical System
component
2022–2024
model years
12
vehicle entries
Official summary
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to MIL illuminated on DIC to correct BET and BEV3 Ultium Packs Setting Moving Average Voltage Detection (MAVD) and Delta Voltage Rest Period (DVRP) Fault Codes.
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.