Buick Enclave 2024–2025 — technical service bulletin
Bulletin PIP5993C · NHTSA communication 11011185 · issued Nov 5, 2024
Technical service bulletin
communication type
Engine
component
2024–2025
model years
5
vehicle entries
Official summary
This Preliminary information communicates when diagnosing P050D cold start misfire runs rough, if any fuel injectors need to be replaced, all the fuel injectors must be ordered and replaced at the same time due to fuel injector flow rates being matched.
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.