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Service bulletin PIE0619A

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 id10200160
Published by NHTSA2021-08-09
Manufacturer's numberPIE0619A
Manufacturer's date2021-06-15
NHTSA componentLANE DEPARTURE: SENSING SYSTEM: OTHER; 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

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
25-NA-1182025-09-10. Service bulletin. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
10-08-110-001L2025-02-11. Service bulletin. This service bulletin provides information on proper use of floor mats.
PIT5551P2024-12-05. Service bulletin. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT61962024-09-04. Service bulletin. This Preliminary information communicates to the tech the diagnostic steps if they encounter at condition where the adaptive cruise, regular cruise control or lane keep assist turns on and off while driving or is inoperative.
PIT60502023-09-18. Service bulletin. This Preliminary information communicates to dealership technicians that if they receive a radio with the 2 stickers as noted above, the radio was remanufactured with missing components and will need to order another radio unit from the ESC to properly repair the vehicle at this time.
23-NA-0422023-07-14. Service bulletin. This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
23-NA-0622023-06-19. Service bulletin. This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D.
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.
23-NA-0622023-04-14. Service bulletin. This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D.
PIT5921A2023-03-13. Service bulletin. This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.