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Service bulletins for the 2025 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
23-NA-2192024-11-05. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
23-NA-0642024-11-05. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
20-NA-1382024-11-05. Service bulletin. POWER TRAIN; ENGINE. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
04-06-04-051J2024-10-31. Service bulletin. ENGINE. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051J2024-10-31. Service bulletin. ENGINE. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
24-NA-2072024-10-31. Service bulletin. STRUCTURE:BODY. This technical bulletin provides a procedure to correct the condition of Excessive Waviness, Wrinkling or Sag in the Sunroof Sunshade.
24-NA-0322024-10-30. Service bulletin. STRUCTURE:BODY. This technical bulletin provides a procedure to correct the condition of Poor Fitting Charge Port Door and/or Charge Port Door Sticks Out at Bottom.
24-NA-0152024-10-30. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.
23-NA-0722024-10-30. Service bulletin. POWER TRAIN. This service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
24-NA-2022024-10-29. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides dealers Warranty Administration - North American Charging Standard (NACS) DC Adapter Warranty Claim Information.
24-NA-0962024-10-25. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This informational bulletin provides information for dealers/technicians on a Delay of Fleet Calibration 6E2 and 6E8.
PIT62452024-10-25. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates the need to program the BECM before replacement of the high Voltage battery.
24-NA-0492024-10-25. Service bulletin. STRUCTURE:BODY. This service bulletin provides information on Blazer EV Police Vehicle Air Deflector Installation.
PIP6007A2024-10-25. Service bulletin. ENGINE. This Preliminary information communicates the potential for dtc P2B81 to be set as current or in history due to increased friction in the wastegate valve.
PIP60092024-10-25. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the request that engineering it looking to get data from these vehicles before any work is being performed.
PIT62392024-10-25. Service bulletin. SEATS. This Preliminary information communicates that a vehicle may be encountered that is equipped with heated seats but there will be no buttons on the display to control them. The technician is advised that updated software will be made available in the future and to not make any repairs at this time.
PIT6044L2024-10-24. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
08-07-30-026I2024-10-24. Service bulletin. POWER TRAIN. This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
PIT62352024-10-22. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a vehicle may have various warning lights on or various symptoms. The technician will find various codes set. The tech is directed to inspect a wiring harness under the cowl for chafing and damage. If damage is found it should be repaired.
18-NA-1462024-10-22. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
07-00-89-036K2024-10-22. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
PIE0794C2024-10-22. Service bulletin. ENGINE. This engineering information (EI Lite) asks the technicians that if you encounter a vehicle where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles, use the Field Product Reporting (FPR) App process.
PIT62312024-10-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates that poor phone call sound may be due to microphone being installed upside down. Technition is to reinstall the microphone to ensure it is installed correctly.
02-00-89-002X2024-10-17. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
18-NA-0732024-10-11. Service bulletin. ENGINE. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

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