Chevrolet Volt 2016–2019 — technical service bulletin
Bulletin 18-NA-261 · NHTSA communication 10209256 · issued Mar 9, 2022
Technical service bulletin
communication type
Electrical System
component
2016–2019
model years
4
vehicle entries
Official summary
This service bulletin provides a procedure to install a battery energy control module to correct customer concerns of No Start or MIL Illuminated with DTCs.
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.