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Service bulletin PIT5673A

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 id10249300
Published by NHTSA2024-01-29
Manufacturer's numberPIT5673A
Manufacturer's date2023-12-21
NHTSA componentEXTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

This Preliminary information communicates information for Intellibeam headlamp inoperative and to inspect the low speed data line.

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.

Components

Lighting, Headlights

Vehicles listed
BUICK ENCLAVE2018, 2019, 2020, 2021, 2022, 2023
CADILLAC XT52017, 2018, 2019, 2020, 2021, 2022, 2023
CHEVROLET BLAZER2019, 2020, 2021, 2022, 2023
CHEVROLET TRAVERSE2018, 2019, 2020, 2021, 2022, 2023
GMC ACADIA2017, 2018, 2019, 2020, 2021, 2022, 2023

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

Other bulletins for the same vehicles and component
02-08-42-001I2017-08-31. Service bulletin. This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
01-08-42-001K2017-08-31. Service bulletin. This informational bulletin provides information on exterior lamp condinsation and replacement guidelines