Cadillac XT4 2024 — technical service bulletin
Bulletin PIE0783C · NHTSA communication 11009458 · issued Sep 18, 2024
Technical service bulletin
communication type
Engine
component
2024
model years
4
vehicle entries
Official summary
This engineering information (EI) closure ends the need for requesting further information from technicians in regard to the Check Engine Lamp illuminated on Driver Information Center (DIC).
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.