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Service bulletin 22-NA-162

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 id10218888
Published by NHTSA2022-08-30
Manufacturer's number22-NA-162
Manufacturer's date2022-08-11
NHTSA componentSEAT BELTS

NHTSA's summary

This technical bulletin provides repair information to correct a customer concern of Service Safety Restraint System Message with DTC B1A7A Set.

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

Seat belts

Trouble codes named

B1A7A

Vehicles listed
BUICK ENVISION2022

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
99-09-40-005I2023-07-28. Service bulletin. This service bulletin provides information on availability for a seat belt extender.
PIE07182022-10-12. Service bulletin. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Safety Restraint System on the Driver Information Center (DIC) and/or Airbag Lamp illuminated.