Cadillac Lyriq 2023–2026 — technical service bulletin
Bulletin PIP6043B · NHTSA communication 11029257 · issued Feb 23, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2023–2026
model years
13
vehicle entries
Official summary
This Preliminary Information communicates the steps on diagnosing certain EV vehicles with a blank IPC screen, no charge or start concerns. Information includes steps to resolve for various symptoms are provided to the dealership technician.
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.