Chevrolet Bolt EV 2017–2020 — technical service bulletin
Bulletin 18NA182 · NHTSA communication 10173385 · issued Feb 18, 2020
Technical service bulletin
communication type
Structure
component
2017–2020
model years
4
vehicle entries
Official summary
This informational bulletin provides information for dealers/technicians on locating and repairing water leaks in the rear cargo area, rear compartment well, possible loss of chime and/or radio functions.
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.