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Service bulletin N202321842

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 id10187225
Published by NHTSA2021-02-16
Manufacturer's numberN202321842
Manufacturer's date2021-01-12
NHTSA componentEXTERIOR LIGHTING; AIR BAGS

NHTSA's summary

Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light (malfunction indicator light) will illuminate. This typically occurs at low mileage. Dealers are to perform the inspection procedure contained within this bulletin.

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

Air bags, Lighting

Trouble codes named

P0747

Vehicles listed
BUICK ENCORE GX2021

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
23-NA-0862025-02-20. Service bulletin. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
01-08-42-001Q2025-02-11. Service bulletin. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
23-NA-0862024-12-04. Service bulletin. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
23-NA-0862024-09-21. Service bulletin. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
22-NA-2442024-05-30. Warranty extension. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
23-NA-0862024-05-15. Service bulletin. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
02-08-42-001J2024-01-19. Service bulletin. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
21-NA-1352023-11-29. Service bulletin. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
23-NA-0862023-11-20. Service bulletin. This informational bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
01-08-42-001P2023-05-09. Service bulletin. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.