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Service bulletin 24-NA-063

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 id11004189
Published by NHTSA2024-07-11
Manufacturer's number24-NA-063
Manufacturer's date2024-06-14
NHTSA componentFORWARD COLLISION AVOIDANCE: WARNINGS; LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; ELECTRICAL SYSTEM

NHTSA's summary

This service bulletin provides repair information to correct a customer concern of a Service Drivers Assist Message Illuminated in DIC with DTC B2BA1 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

Driver assistance, Electrical system, Lane departure and lane keeping

Trouble codes named

B2BA1

Vehicles listed
CADILLAC CT52022, 2023, 2024
CADILLAC ESCALADE2023
CADILLAC ESCALADE ESV2023
CHEVROLET SILVERADO 15002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002023 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2023
GMC SIERRA 15002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2023
GMC YUKON XL2023

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
PIC65872024-12-09. Service bulletin. This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.
PIC6552D2024-12-09. Service bulletin. This Preliminary information communicates how to recover the Image Processing Module.
24-NA-2132024-11-12. Service bulletin. This technical bulletin provides repair information to correct customer concerns of Automatic Lane Change inoperative/Disengagement.