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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

Only bulletins with component: Glass, wipers and mirrors are shown. Show all

Bulletins, newest first
24-NA-1642025-04-15. Service bulletin. VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
N2524924302025-03-18. Service campaign. VISIBILITY/WIPER; UNKNOWN OR OTHER. Certain vehicles may have a condition in which the heated windshield wiper park is inoperative. Dealers are to reprogram the Lighting Control Module. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
24-NA-1642025-03-06. Service bulletin. VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
21-NA-0432025-02-12. Service bulletin. VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
24-NA-2592024-12-20. Service bulletin. UNKNOWN OR OTHER; VISIBILITY/WIPER. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
24-NA-1642024-09-25. Service bulletin. VISIBILITY/WIPER. This bulletin provides information on Wiper Blade Maintenance Tips.
PIT62262024-09-13. Service bulletin. VISIBILITY/WIPER. This Preliminary information communicates that a vehicle may be encountered with windshield wipers that work on high only. The tech is directed to check the part number on the B117A Windshield Outside Moisture Ambient Light and Humidity Sensor and replace it if the wrong one was installed.
PI0754G2024-08-17. Service bulletin. VISIBILITY/WIPER. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
PIT6103A2024-03-18. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. This Preliminary Information communicates a possible issue with the power windows and object sensor indicators caused by a window switch.
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.
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.
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.
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.
23-NA-2212023-12-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This technical 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 to hot air.
PIT60782023-12-04. Service bulletin. 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 either inspect the driver's window switch for the proper sticker or inspect the date code on the rear window switches depending on the condition. 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.

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