GMC Sierra 1500 2022–2023 — technical service bulletin
Bulletin PIE0726 · NHTSA communication 10227294 · issued Nov 16, 2022
Technical service bulletin
communication type
Structure
component
2022–2023
model years
2
vehicle entries
Official summary
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the check engine lamp illuminated on driver information center (DIC).
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.