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Service bulletin 23-NA-145

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 id10242253
Published by NHTSA2023-09-15
Manufacturer's number23-NA-145
Manufacturer's date2023-08-18
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

This service bulletin provides repair information to correct Radio Software issues with software update version 167.5.

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

Electrical system, Equipment and accessories

Vehicles listed
BUICK ENCORE GX2024
BUICK ENVISTA2024
CHEVROLET TRAILBLAZER2024
CHEVROLET TRAX2024

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

Recalls for the same vehicles and component
23V7440002023-11-06. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

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
PIE0831A2026-03-31. Service bulletin. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC), DTC P0299 Set.
23-NA-1072025-11-15. Service bulletin. This service bulletin provides a procedure to correct customer concerns of Roof Related Water Leak, Shifter Light Inoperative, Key Fob Inoperative and/or Various Remote Control Door Lock Receiver (RCDLR) Concerns.
PIE08312025-06-25. Service bulletin. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC).
22-NA-2422025-06-16. Service bulletin. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
23-NA-1982025-06-06. Service bulletin. This service bulletin provides repair information to correct a customer concern of the HVAC Not Cooling Cabin During a Remote Start.
24-NA-2292025-06-03. Service bulletin. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
25-NA-0872025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
24-NA-0212025-04-28. Service bulletin. This service bulletin provides a procedure to test and replace, if needed, the pressure sensor and/or the oil pump if the codes noted set due to the debris left in the pump during production.
22-NA-2422025-04-26. Service bulletin. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
13-08-116-001K2025-04-25. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.