Buick Enclave 2024–2025 — technical service bulletin
Bulletin PIT6345A · NHTSA communication 11026604 · issued Dec 11, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2024–2025
model years
5
vehicle entries
Official summary
This Preliminary information communicates that a vehicle may be encountered with an SES light on and code P059F and P05AE DTCs Set in Snowy or Icing Conditions. The technician is instructed that If no issue is found after completing the diagnostics in SI for both DTCs, do not replace the shutter assembly. Engineering is currently investigating.
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.