Chevrolet Volt 2019 — technical service bulletin
Bulletin PIC6375 · NHTSA communication 10168974 · issued Nov 21, 2019
Technical service bulletin
communication type
Electrical System
component
2019
model years
1
vehicle entries
Official summary
This Preliminary information communicates that a program to repair the P0AA1 and P0AA4 is now available. Under specific unique conditions when the 12V battery voltage drops below a threshold, these DTCs may set.
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.