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Service bulletin 23-NA-203

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 id10246273
Published by NHTSA2023-12-06
Manufacturer's number23-NA-203
Manufacturer's date2023-11-16
NHTSA componentPARKING BRAKE; ELECTRICAL SYSTEM

NHTSA's summary

This informational bulletin provides information on Information on DTC U1122 - Lost Communication with Electric Park Brake Switch Stored in History.

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

Brakes, Electrical system, Parking brake

Trouble codes named

U1122

Vehicles listed
BRIGHTDROP ZEVO 6002023 (the catalog's model; the bulletin names a series or trim of it)

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