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Service bulletin 23-NA-086

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 id11014377
Published by NHTSA2025-02-20
Manufacturer's number23-NA-086
Manufacturer's date2025-02-12
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.

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

Vehicles listed
BUICK ENCLAVE2022, 2023, 2024, 2025
BUICK ENCORE2020, 2021, 2022
BUICK ENCORE GX2020, 2021, 2022, 2023, 2024, 2025
BUICK ENVISION2024, 2025
BUICK ENVISTA2024, 2025
CHEVROLET BLAZER2023, 2024, 2025
CHEVROLET TRAILBLAZER2021, 2022, 2023, 2024, 2025
CHEVROLET TRAVERSE2022, 2023, 2024, 2025
CHEVROLET TRAX2024, 2025
GMC ACADIA2024, 2025

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

Recalls for the same vehicles and component
20246782024-11-07. Lights And Instruments
20240602024-02-01. Lights And Instruments
20235992023-11-06. Lights And Instruments

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
25-NA-0742025-10-16. Service bulletin. Some customers may comment on rear body structure stop lamp or rear closure signal lamp may be totally inoperative or staying illuminated.
25-NA-0282025-05-02. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Blazer EV Turn Signal Fast Flash.
25-NA-0732025-04-29. Service bulletin. This technical bulletin provides Approach Lighting Exterior and Interior Operation information and procedures.
PIT6280A2025-02-18. Service bulletin. This Preliminary information communicates that a dealer may install the perimeter rocker lighting kit and find that it will not illuminate. The dealer is advised that updated software is now available to repair this concern.
01-08-42-001Q2025-02-11. Service bulletin. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
PIE0801D2025-01-03. Service bulletin. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the right and/or left tail lamp is inoperative.
PIT63082024-12-20. Service bulletin. This Preliminary information communicates information about if the rear tail lamp is inoperative to cycle the fuse. If the tail lamp is working after cycling the fuse, return to the customer.
PIE0801C2024-12-16. Service bulletin. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the right and/or left tail lamp is inoperative.
PIT6238B2024-12-05. Service bulletin. This Preliminary information communicates information about if the rear tail lamp is inoperative to cycle the connector at the tail lamp. If the tail lamp is working after cycling the connector, return to the customer, If not replace the lamp.
PIT6238C2024-12-04. Service bulletin. This Preliminary information communicates information about if the rear tail lamp is inoperative to cycle the connector at the tail lamp. If the tail lamp is working after cycling the connector, return to the customer, If not replace the lamp.