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Service bulletin 24-NA-128

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 id11006502
Published by NHTSA2024-08-16
Manufacturer's number24-NA-128
Manufacturer's date2024-07-30
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

This informational bulletin provides information for dealers/technicians on Powertrain Control Module Fails Key Provisioning/Serial Data Authentication Configuration and Sets DTC U1962.

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

Electrical system, Transmission and driveline

Trouble codes named

U1962

Vehicles listed
CHEVROLET TRAVERSE2024
GMC ACADIA2024

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
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24-NA-2292025-06-03. Service bulletin. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
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