Buick Envista 2024 — technical service bulletin
Bulletin 24-NA-242 · NHTSA communication 11013084 · issued Jan 11, 2025
Technical service bulletin
communication type
Power Train
component
2024
model years
2
vehicle entries
Official summary
This service bulletin advises the technician to verify the latest software to the radio before just replacing the torque converter for the customer concerns of Humming and/or Growling Noise, Transmission Shudder.
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.