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Service bulletin PIT6345A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11026604
Published by NHTSA2025-12-15
Manufacturer's numberPIT6345A
Manufacturer's date2025-12-11
NHTSA componentUNKNOWN OR OTHER

NHTSA's 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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Trouble codes named

P059F, P05AE

Vehicles listed
BUICK ENCLAVE2025
CHEVROLET TRAVERSE2024, 2025
GMC ACADIA2024, 2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.