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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
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.
PIT5551N2024-03-18. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIC6486D2024-03-18. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
PIT61252024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates a technician may find U166A set after a programming event. The tech is instructed to disregard this code. It will have no effect on the vehicle and will be removed in a future software update.
PIE0775C2024-03-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Engineering Information (EI) closure instructs GM dealers to refer to Customer Satisfaction Module Reprogramming if the vehicle is eligible in Investigate Vehicle History (IVH)
PIE0775B2024-03-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT. This Engineering Information (EI) is recommending that GM dealers check and update each module in the vehicle and bring them up to the latest software level.
N242436241-012024-03-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. 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.
N2424362402024-03-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; 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.
24-NA-0402024-03-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
22-NA-0832024-03-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
N2424362412024-03-09. Service bulletin. 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.
N2424362402024-03-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; 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.
DCS68102024-03-09. Service bulletin. ELECTRICAL SYSTEM. Private Message: If you previously received a copy of this communication on 3/1/23, please disregard the VIN list that was attached to that communication. The VIN list attached to this communication (2024 Blazer EV – 12V VIN List 3.4.24) is an updated & corrected list. As many of you are aware, on December 22, 2023, we issued a stop sale under GlobalConnect message GCUS-3-3106 on the 2024 Chevrolet Blazer EV. Since that time, we stopped shipment of these vehicles to Dealers. As a result, some of these Blazer EVs were in our logistics network for a prolonged period which has resulted in a low 12-volt battery.
PIE07822024-03-07. Service bulletin. ENGINE AND ENGINE COOLING. This engineering information (EI Lite) is requesting technicians use the FPR App process in regard to finding coolant leaking around the Coolant Control Valve (CCV).
17-NA-0732024-03-07. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
DCS68082024-03-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Low 12V Battery - For the impacted VINs, we are waiving the recharging and testing requirements traditionally required for a warranty battery replacement authorization. Battery testing requirements during the PDI process continues to be required.
PIE0775A2024-02-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. This Engineering Information (EI) is recommending that GM dealers check and update each module in the vehicle and bring them up to the latest software level.
22-NA-1142024-02-29. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
22-NA-0742024-02-29. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
24-NA-0342024-02-28. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides information for dealers/technicians on Grunt Noise with Adaptive Cruise or One-Pedal Drive.
24-NA-0322024-02-28. Service bulletin. STRUCTURE. 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.
23-NA-2172024-02-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq, Chevrolet Blazer EV, and Chevrolet Corvette E-Ray.
20-NA-0182024-02-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
18-NA-1802024-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
23-NA-2272024-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 – Multiple Updates for IVD.

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