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Service bulletins for the 2024 Chevrolet Blazer

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.

844 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP5824C2024-02-12. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern.
PIP5841D2024-02-12. Service bulletin. POWER TRAIN. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
PIT61052024-02-12. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
23-NA-1512024-02-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides a procedure to High Voltage Battery Core Return Shipment Criteria.
18-NA-0992024-02-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
PI1394B2024-02-02. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This PI bulletin advises the technician on the proper way to install the pistons in an engine.
PI0592I2024-02-02. Service bulletin. ELECTRICAL SYSTEM. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
23-NA-2222024-01-31. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. 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.
23-NA-2212024-01-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides a procedure for Sun Load, Ambient Light, and Charge Indicator Sensor Replacement to correct a customer concern of A/C Inoperative or A/C blows warm air.
23-NA-2172024-01-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq and Chevrolet Blazer EV.
N24-24364902024-01-30. Service bulletin. LANE DEPARTURE:LANE KEEP:NAVIGATION SYSTEM/SOFTWARE; UNKNOWN OR OTHER. (There may be future updates under this same release number.) This software update does the following: · Improves the heating system to help maintain consistent performance · Fixes the menu navigation and icons · Adds the ability to choose between imperial or metric units · Improves overall battery performance · Fixes speed sign notification and low charge speed settings
PIT61042024-01-29. Service bulletin. STRUCTURE; STRUCTURE:BODY:HATCHBACK/LIFTGATE. This Preliminary information communicates a customer may complain that when they open the liftgate it opens fully and then reverses to the closed position. The dealer technician is directed to relearn the liftgate.
PIT6099A2024-01-29. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This PI states that a vehicle may be encountered with a concern that the HVAC controls are inoperative. The dealer technician is instructed to reprogram the radio to resolve this concern.
PIT5962A2024-01-29. Service bulletin. ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS; UNKNOWN OR OTHER. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
PIT6078B2024-01-29. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; VISIBILITY; ELECTRICAL SYSTEM. This Preliminary information communicates that a vehicle may come to the dealer with front, rear or front and rear windows inoperative. The technician is directed to inspect the appropriate switch for the date code. Depending on what is found the tech is directed to replace the affected window switch or to follow published diagnostics to determine the cause of the fault.
PIT6097B2024-01-29. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones.
PIT6097A2024-01-29. Service bulletin. EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
PIT61002024-01-29. Service bulletin. ELECTRICAL SYSTEM. This PI states a dealer may find code B1141 set in the BCM. The technician is advised to disregard this code as it is not a valid code for this vehicle. It will be removed in future updates.
PIT60992024-01-29. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This PI states that a vehicle may be encountered with a concern that the HVAC controls are inoperative. The dealer technician is instructed to reprogram the radio to resolve this concern.
PIT6094A2024-01-29. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM; EQUIPMENT. This PI states a vehicle may be encountered with a black or blank radio screen. The dealer technician is advised that updated software will be available 11/30/23. The technician is directed to reprogram the radio with the latest calibrations.
PIT6078A2024-01-29. Service bulletin. VISIBILITY; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. This Preliminary information communicates that a vehicle may come to the dealer with front, rear or front and rear windows inoperative. The technician is directed to inspect the appropriate switch for the date code. Depending on what is found the tech is directed to replace the affected window switch or to follow published diagnostics to determine the cause of the fault.
PIT60972024-01-29. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
PIE07752024-01-25. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Software Update on GM Ultium Vehicles (2024 Blazer EV - Customer Vehicles ONLY)
22-NA-2402024-01-19. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair.
18-NA-1802024-01-19. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.