WenmarOpen by Wenmar Pro

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: Equipment and accessories are shown. Show all

Bulletins, newest first
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.
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.
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.
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.
18-NA-1802024-01-19. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
23-NA-2172024-01-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq and Chevrolet Blazer EV.
18-NA-1802024-01-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
PIE07732024-01-04. Service bulletin. ELECTRICAL SYSTEM; SEATS; EQUIPMENT. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to Melted Burn Marks and/or Smoke Smell Coming from the Height Adjuster Motor Under the Front Row Seat.
23-NA-2222023-12-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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-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.
23-NA-2192023-12-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
PIT60922023-12-18. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary information communicates to general motor technicians that this concern can happen once the radio is factory reset. GM is aware of this and have provided a work around but is still developing the repair.
PIT60942023-12-18. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; BACK OVER PREVENTION. 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.
PIT60932023-12-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This PI states a vehicle may be encountered with a wind noise. The dealer is directed to advise the customer to briefly press the manual up position on the window switch to eliminate the noise. The customer is to be advised that a resolution to this issue will be provided in the future.
PIT60892023-12-18. Service bulletin. EQUIPMENT:ELECTRICAL. This PI states that a vehicle may be encountered with a Center high mounted stop lamp (CHMSL) that is inoperative or flickering. The dealer technician is instructed to remove the rear spoiler and remove and install the connector at the CHMSL to ensure it is fully seated.
PIT6082A2023-12-18. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. This Preliminary information communicates a vehicle may come to the dealer with a blank radio display, service instrument cluster message, low voltage codes set or a low/dead 12 volt battery. The technician is instructed to check the calibration in the Brake System Control Module and if necessary reprogram the module. The tech is also instructed to remove and replace the radio fuse if radio concerns are noted.
20-NA-1322023-12-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
20-NA-0182023-12-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
23-NA-1362023-12-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 2024 Chevrolet Blazer EV New Model Features.
22-NA-2152023-12-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information for chargers that are covered under the terms of a 3-year Limited Parts Warranty from the date of purchase.
N2324299102023-12-02. Service bulletin. EQUIPMENT. Stop Delivery Order Await Communication: Reference Number N232429910
21-NA-1352023-11-29. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
23-NA-0862023-11-20. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT. This informational bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.

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