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Service bulletin 21-AT-016HG

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 id10202185
Published by NHTSA2021-10-08
Manufacturer's number21-AT-016HG
Manufacturer's date2021-09-29
NHTSA componentPARKING BRAKE; POWER TRAIN

NHTSA's summary

When servicing a vehicle with a “Check Engine light” and any of the DTCs listed below, follow the Service Procedure to replace the related solenoid and E-module or park position switch.

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, Transmission and driveline, Parking brake

Vehicles listed
GENESIS G802017, 2018
GENESIS G902017, 2018

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