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Service bulletin 22-NA-144

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 id10217073
Published by NHTSA2022-08-03
Manufacturer's number22-NA-144
Manufacturer's date2022-07-19
NHTSA componentSTRUCTURE:INTERIOR PANELS:DOOR; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS; STRUCTURE

NHTSA's summary

This technical bulletin provides a procedure to inspect the X500 electrical connector for corrosion and to repair it if found with corrosion and to also reseal the body panels if the concern has or has not been found.

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

Body and frame, Electrical system, Wiring and fuses

Vehicles listed
GMC HUMMER EV PICKUP2022

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