Chevrolet Bolt EV 2017–2019 — technical service bulletin
Bulletin 20NA053 · NHTSA communication 10174076 · issued Mar 2, 2020
Technical service bulletin
communication type
Equipment
component
2017–2019
model years
3
vehicle entries
Official summary
This Technical bulletin provides a Service Procedure for dealers/technicians on DC Fast Charge Robustness Improvements.
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.