2024 Chevrolet Blazer EV Technical Service Bulletins

604 technical service bulletins (TSBs) are on record for the 2024 Chevrolet Blazer EV. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10251722Feb 28, 2024Electrical system. This Preliminary information communicates to the dealer that no hardware parts as needed to repair the vehicle and to follow programming procedure to repair and fix the codes that were present. The Programming of the BECM will repair the concern due to programming out the sensor that is no longer used due to quality issues with the sensor.
• 10251713Feb 23, 2024Electrical system, Visibility (wipers, defrost, mirrors). This Preliminary Information communicates a possible issue with the power windows and object sensor indicators caused by a window switch.
• 10250791Feb 23, 2024Electrical 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.
• 10250776Feb 20, 2024Electrical system, Equipment. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
• 10250564Feb 16, 2024Electrical system, Equipment. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 10250753Feb 15, 2024Equipment. This service bulletin provides information for dealers/technicians on Grunt Noise with Adaptive Cruise or One-Pedal Drive.
• 10250750Feb 15, 2024Body and 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.
• 10250745Feb 15, 2024Equipment, Electrical system. 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.
• 10250566Feb 14, 2024Electrical system, Equipment. This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
• 10250509Feb 6, 2024Electrical system, Equipment. 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.
• 10251683Feb 5, 2024Electrical system. 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.
• 10250348Feb 1, 2024Electrical system, Equipment. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 10250276Jan 30, 2024Electrical system, Equipment. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
• 10249433Jan 30, 2024Lane departure, Other or unknown. (There may be future updates under this same release number.) This software update does the following: · Improves the heating system to help maintain consistent performance · Fixes the menu navigation and icons · Adds the ability to choose between imperial or metric units · Improves overall battery performance · Fixes speed sign notification and low charge speed settings
• 10250278Jan 29, 2024Equipment, Electrical system. This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
• 10250275Jan 29, 2024Equipment, Electrical system. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
• 10250268Jan 25, 2024Electrical system, Equipment. This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.
• 10250261Jan 25, 2024Electrical system, Equipment. 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.
• 10249181Jan 24, 2024Back-over prevention (rear camera). Software Update on GM Ultium Vehicles (2024 Blazer EV - Customer Vehicles ONLY)
• 10250270Jan 23, 2024Electrical 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.
• 10250265Jan 23, 2024Equipment, Electrical system. This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.
• 10250260Jan 22, 2024Electrical 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.
• 10250244Jan 18, 2024Body and structure. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10249987Jan 18, 2024Electrical system. This Preliminary information communicates a normal programming Characteristic for the K73 Telematics Control Module.
• 10249986Jan 17, 2024Equipment. This Preliminary information communicates dignostics tips for P0534 codes on 2024 Blazer EV and 2023 and 2024 Lyriq.
• 10249985Jan 17, 2024Equipment. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
• 10249773Jan 16, 2024Equipment, Electrical system. This informational bulletin provides a procedure to High Voltage Battery Core Return Shipment Criteria.
• 10249590Jan 16, 2024Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 10248973Jan 16, 2024Electrical system, Other or unknown. Floor Plan Compensation - On December 22, 2023, GM sent GlobalConnect Message GCUS-3-3106 to all GM Dealers regarding field action N232434590. GM is working to develop a remedy as quickly as possible. When a remedy is available, the bulletin will be released and dealers can begin repairing vehicles. At the time of bulletin release with the remedy, Floor Plan Compensation for the Stop Delivery can be submitted for…
• 10249981Jan 12, 2024Body and structure. 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 to relearn the liftgate and then go into settings and set the liftgate opening to custom. The dealer is advised that a software update will be released in the future to permanantly resolve this concern.
• 10249978Jan 12, 2024Equipment. This Preliminary information communicates to dealership technicians on the scenarios that can happen when not programming the radio correctly.
• 10249011Jan 12, 2024Exterior lighting. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
• 10249454Jan 10, 2024Electrical system, Equipment. This informational bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq and Chevrolet Blazer EV.
• 10249459Jan 9, 2024Equipment, Electrical system. 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.
• 10249458Jan 9, 2024Electrical 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.
• 10249535Jan 8, 2024Electrical system. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
• 10249013Jan 8, 2024Electrical system, Equipment. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
• 10249956Jan 4, 2024Equipment, Other or unknown. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
• 10248729Dec 31, 2023Equipment, Electrical system. This informational bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq and Chevrolet Blazer EV.
• 10248725Dec 31, 2023Electrical system, Equipment. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
• 10247637Dec 22, 2023Electrical system. Stop Delivery Order: Effective immediately, we have elected to pause the delivery to customers of certain 2024 Chevrolet Blazer EV vehicles which are in the attached VIN file and in new vehicle inventory or in transit. We are issuing this order because we have become aware that a limited number of owners have experienced certain software quality issues. We will provide further instructions as soon as possible.
• 10249297Dec 19, 2023Body and structure. 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 to relearn the liftgate.
• 10249296Dec 18, 2023Visibility (wipers, defrost, mirrors). 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.
• 10249294Dec 15, 2023Other or unknown, Electrical system. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
• 10247594Dec 15, 2023Electrical system, Equipment, Visibility (wipers, defrost, mirrors). 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.
• 10247595Dec 14, 2023Electrical 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.
• 10249287Dec 13, 2023Visibility (wipers, defrost, mirrors), 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.
• 10247552Dec 12, 2023Equipment. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
• 10249280Dec 8, 2023Electrical system. This PI states a dealer may find code B1141 set in the BCM. The technician is advised to disregard this code as it is not a valid code for this vehicle. It will be removed in future updates.
• 10247192Dec 8, 2023Equipment, Engine cooling, Electrical system. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

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