Technical Service Bulletins (TSBs) for the 2024 Blazer EV are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the rear automatic braking may brake unwantedly, usually when reversing out ... Read More »
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update. Read More »
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 a?? Multiple Updates for IVD. Read More »
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. Read More »
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. Read More »
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. Read More »
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the rear automatic braking may brake unwantedly, usually when reversing out ... Read More »
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. Read More »
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. Read More »
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) Read More »
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. Read More »
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 a?? 12V VIN List 3.4. Read More »
Low 12V Battery - For the impacted VINs, we are waiving the recharging and testing requirements traditionally required for a warranty battery replacement authorization. Read More »
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. Read More »
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. Read More »
This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling. Read More »
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. Read More »
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP). Read More »
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 a?? Multiple Updates for IVD. Read More »
This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling. Read More »
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 ... Read More »
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 a?? Multiple Updates for IVD. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
This informational bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq and Chevrolet Blazer EV. Read More »
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. Read More »
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. Read More »
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). Read More »
This informational bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq and Chevrolet Blazer EV. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP). Read More »
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. Read More »
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. Read More »
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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. Read More »
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. Read More »
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 ... Read More »
This Preliminary information communicates that a vehicle may come to the dealer with a service driver assist message. Upon inspection the tech will find U3000 set in the rear short range radar. Read More »
This Preliminary information communicates a vehicle may exhibit a service driver assist message. On inspection the tech will find B1A05 set in the Front View Camera Module (FVCM). The tech is directed to perform programming on the FVCM. Read More »
This Preliminary information communicates a vehicle may exhibit a service drive assist message. On inspection the tech will find B1A05 set in the Front View Camera Module (FVCM). Read More »
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. Read More »
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. Read More »
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
This Preliminary information communicates to the dealer of a possible issue with the vehicle is that the code was set in error and will need a reset procedure performed to verify. Read More »
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. Read More »
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. Read More »
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
This Preliminary information communicates a vehicle may exhibit a service driver assist message. On inspection the tech will find B1A05 set in the Front View Camera Module (FVCM). The tech is directed to perform programming on the FVCM. Read More »
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. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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. Read More »
This Preliminary information communicates to the technician how to address Hvac Temperature door issues and associated Service vehicle soon light. Read More »
This Preliminary information communicates a customer may complain that when they open the liftgate it opens fully and then reverses to the closed position. Read More »
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. Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »
(There may be future updates under this same release number.) This software update does the following: A? Improves the heating system to help maintain consistent performance A? Fixes the menu navigation and icons ... Read More »
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the rear automatic braking may brake unwantedly, usually when reversing out ... Read More »
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. Read More »
This Preliminary information communicates a vehicle may exhibit a service driver assist message. On inspection the tech will find B1A05 set in the Front View Camera Module (FVCM). The tech is directed to perform programming on the FVCM. Read More »
This Preliminary information communicates a vehicle may exhibit a service drive assist message. On inspection the tech will find B1A05 set in the Front View Camera Module (FVCM). Read More »
This Preliminary information communicates to dealership technicians to create a USB file that will have the radio ignore the BCM message for the 12v battery state of charge being to low that will cause the radio to not USB update. Read More »
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 a?? Multiple Updates for IVD. Read More »
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. Read More »
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the rear automatic braking may brake unwantedly, usually when reversing out ... Read More »
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) Read More »
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. Read More »
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. Read More »
This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling. Read More »
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. Read More »
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP). Read More »
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 a?? Multiple Updates for IVD. Read More »
This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling. Read More »
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 ... Read More »
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 a?? Multiple Updates for IVD. Read More »
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. Read More »
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. Read More »
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. Read More »
This informational bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq and Chevrolet Blazer EV. Read More »
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. Read More »
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. Read More »
This informational bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq and Chevrolet Blazer EV. Read More »
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. Read More »
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. Read More »
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. Read More »
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP). Read More »
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. Read More »
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. Read More »
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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 ... Read More »
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. Read More »
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. Read More »
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Preliminary information communicates to dealership technicians to create a USB file that will have the radio ignore the BCM message for the 12v battery state of charge being to low that will cause the radio to not USB update. Read More »
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 a?? Multiple Updates for IVD. Read More »
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. Read More »
This Preliminary information communicates to dealership technicians on the scenarios that can happen when not programming the radio correctly. Read More »
This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
This Preliminary information communicates to dealership technicians to create a USB file that will have the radio ignore the BCM message for the 12v battery state of charge being to low that will cause the radio to not USB update. Read More »
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. Read More »
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. Read More »
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »
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. Read More »
This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios. Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »
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). Read More »
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Preliminary information communicates ordering process for the front and rear drive units are on restriction for the 2024 Chevrolet Blazer EV Read More »
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. Read More »
This Preliminary information communicates to dealership technicians to create a USB file that will have the radio ignore the BCM message for the 12v battery state of charge being to low that will cause the radio to not USB update. Read More »
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. Read More »
Low 12V Battery - For the impacted VINs, we are waiving the recharging and testing requirements traditionally required for a warranty battery replacement authorization. Read More »
(There may be future updates under this same release number.) This software update does the following: A? Improves the heating system to help maintain consistent performance A? Fixes the menu navigation and icons ... Read More »
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. Read More »
This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios. Read More »
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »
