Chevrolet Blazer EV 2024 — technical service bulletin
Bulletin PIT6488 · NHTSA communication 11028944 · issued Feb 20, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2024
model years
1
vehicle entries
Official summary
If a vehicle comes in with U1615 set in the PSCM the dealer is directed to disregard it. Engineering is investigating.
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.