Cadillac Lyriq 2026 — technical service bulletin
Bulletin PIT6384 · NHTSA communication 11018650 · issued May 20, 2025
Technical service bulletin
communication type
Unknown / Other
component
2026
model years
2
vehicle entries
Official summary
This preliminary information is for service technicians who come across this concern to verify the operation in GDS2 and that engineering is aware of this issue and this PI will be updated to a bulletin once a determination has been made.
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.