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Service bulletin PIE0619

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 id10191249
Published by NHTSA2021-05-03
Manufacturer's numberPIE0619
Manufacturer's date2021-03-19
NHTSA componentLANE DEPARTURE: LANE KEEP: STEERING ASSIST; VEHICLE SPEED CONTROL:CRUISE CONTROL

NHTSA's summary

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Lane Keep Assist and/or Adaptive Cruise Control being Inoperative.

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, Throttle and cruise control, Lane departure and lane keeping

Vehicles listed
BUICK ENCORE GX2020, 2021
CHEVROLET TRAILBLAZER2020
CHEVROLET TRAILBLAZER2021

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
PIT5865B2023-05-15. Service bulletin. This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are to replace the camera.