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Service bulletin PIC6529

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 id10247358
Published by NHTSA2023-12-18
Manufacturer's numberPIC6529
Manufacturer's date2023-11-15
NHTSA componentSTRUCTURE

NHTSA's summary

This Preliminary information communicates to the technician how to address Hvac Temperature door issues and associated Service vehicle soon light. Summary: if concern is still present after loosening actuator and relearning then Hvac case replacement may be needed.

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

Body and frame

Vehicles listed
CADILLAC LYRIQ2023
CADILLAC redundant LYRIQ2024
CHEVROLET BLAZER EV2024 (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.

Recalls for the same vehicles and component
23V8690002023-12-21. STRUCTURE:BODY:DOOR

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
05-08-51-001L2025-03-08. Service bulletin. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
24-NA-0322025-02-21. Service bulletin. This technical bulletin provides a procedure to correct the condition of Poor Fitting Charge Port Door and/or Charge Port Door Sticks Out at Bottom.
22-NA-2442025-02-12. Service bulletin. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
10-08-110-001L2025-02-11. Service bulletin. This service bulletin provides information on proper use of floor mats.
25-NA-0172025-02-11. Service bulletin. This technical bulletin provides a procedure to correct the condition of Center Console Storage Door Difficult to Open and/or Binding or Stuck.
25-NA-0072025-01-31. Service bulletin. This technical bulletin provides a procedure to correct the condition of Lower Closeout Panel Not Sitting Flush.
24-NA-2392025-01-30. Service bulletin. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
24-NA-2752025-01-24. Service bulletin. This service bulletin provides repair information to trim the Cadillac Emblem Charge Port Door Switch to correct a customer concern of high effort when pressing the emblem to open the charge port door.
PIE0796A2025-01-23. Service bulletin. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Liftgate is Ajar message illuminated on DIC when Liftgate is in the closed position.
24-NA-0832025-01-09. Service bulletin. This informational bulletin provides information on EV Charge Inlet Dust Cover Replacement Information.