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Service bulletin PIP5957A

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 id10251729
Published by NHTSA2024-03-18
Manufacturer's numberPIP5957A
Manufacturer's date2024-02-29
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

This Preliminary information communicates to the dealer of a possible issue with the vehicle is that the code was set in error and will need a reset procedure performed to verify. This PI outlines the path the dealer is to take to verify that the vehicle can be repaired with this procedure to prevent unnecessary parts replacement and time in service.

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, Software

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.

Other bulletins for the same vehicles and component
23-NA-2222024-04-05. Service bulletin. This service bulletin provides repair information to correct a customer concern of Radio Software issues and provide software (Version W26E-172.4.2-M169-SQBR4-123.4) Updates for IVD.
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
N2324285402024-04-03. Service bulletin. Customer Satisfaction Program - Certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
N2324285402024-03-20. Service bulletin. Customer Satisfaction Program: Certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
PIC6498A2024-03-18. Service bulletin. This concise summary was created to advise of engineering investigation to address Error 302 when accessing the Energy APP.
PIT61252024-03-18. Service bulletin. This Preliminary information communicates a technician may find U166A set after a programming event. The tech is instructed to disregard this code. It will have no effect on the vehicle and will be removed in a future software update.
PIE0775B2024-03-15. Service bulletin. This Engineering Information (EI) is recommending that GM dealers check and update each module in the vehicle and bring them up to the latest software level.
N242436241-012024-03-15. Service bulletin. Customer Satisfaction Program - certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
N2424362402024-03-15. Service bulletin. Customer Satisfaction Program - Certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
N2324285402024-03-14. Service bulletin. Customer Satisfaction Program: Certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.