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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
20-NA-1362024-05-24. Service bulletin. POWER TRAIN. This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).
N242436241-022024-05-22. Service campaign. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. 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.
N242436240-022024-05-22. Service campaign. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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.
N2324338912024-05-16. Service campaign. FUEL/PROPULSION SYSTEM; ENGINE; UNKNOWN OR OTHER; POWER TRAIN. Customer Satisfaction Program - Various vehicle makes and models listed may have a condition in which the transmission case leaks fluid due to porosity around a mount bolt hole. Dealers will replace the transmission case.
N2324338902024-05-16. Service campaign. FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER; POWER TRAIN; ENGINE. Customer Satisfaction Program - Various vehicle makes and models listed may have a condition in which the transmission case leaks fluid due to porosity around a mount bolt hole. Dealers will replace the transmission case.
23-NA-0642024-05-16. 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.
21-NA-0432024-05-16. Service bulletin. UNKNOWN OR OTHER. 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.
13-08-116-001J2024-05-16. Service bulletin. ELECTRICAL SYSTEM. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
10-08-110-001K2024-05-16. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information on proper use of floor mats.
06-00-89-029V2024-05-16. Service bulletin. SEATS; UNKNOWN OR OTHER. This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
23-NA-1252024-05-16. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.
23-NA-0862024-05-15. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
21-NA-0542024-05-15. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides repair information to correct various functional concerns of the Instrument Cluster and DTC U0155.
15-00-89-004G2024-05-15. Service bulletin. ENGINE; SUSPENSION; POWER TRAIN. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
N2424462902024-05-13. Other. UNKNOWN OR OTHER. Upcoming Service Update - Effective immediately, certain 2024 model year Buick Encore GX, Cadillac XT4, XT5, XT6, Chevrolet Blazer, Trailblazer, Traverse, Traverse Limited, GMC Acadia and Terrain vehicles have been placed in Incomplete Remedy Not Available status in IVH. These VINs are in transit or in new vehicle inventory. Some of these vehicles may have a condition in which the clutch backing plate retaining ring and/or the clutch piston retaining ring inside the transmission are out of specification. The upcoming Service Update Bulletin number is N242446290. GM will be releasing the service bulletin and service procedure in the near future. All product field actions, including the upcoming Service Update Bulletin must be completed before delivering these vehicles to customers. Involved vehicles must be held until further notice. The Investigate Vehicle History (IVH) screen in the Global Warranty Management (GWM) system will be updated with a VIN Status as “Incomplete Remedy Not Available” on May 13, 2024. This action has been taken to assist dealers with determining which vehicles are involved so they can properly respond to customer inquiries. A list of involved vehicles that have been identified as being in dealer new vehicle inventory is attached to this message. It is sorted by dealer Business Associate Code (BAC) for easy reference. Your dealership’s BAC will not be listed if none of the involved vehicles are currently in your new vehicle inventory. When we have a sufficient quantity of parts available the bulletin will be released and vehicles can be repaired. We expect to have more information in the near future. END OF MESSAGE
23-NA-0642024-05-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
00-03-10-006P2024-05-01. Service bulletin. WHEELS. This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
22-NA-0382024-05-01. Service bulletin. UNKNOWN OR OTHER. This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
20-NA-1322024-04-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
17-NA-0522024-04-23. Service bulletin. WHEELS; EQUIPMENT. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
PIC6486E2024-04-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
PIT6105B2024-04-15. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
PIT6100A2024-04-15. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. This Preliminary information communicates that a dealer may find code B1141 set in the BCM. The technician is advised to reprogram the BCM.
PIT6093A2024-04-15. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This PI states a vehicle may be encountered with a wind noise. The dealer is directed to reprogram the K9 Body Control Module with the latest calibrations available.
PIT6104B2024-04-15. Service bulletin. 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 program the K194 Rear Gate Module.

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