2025 Chevrolet Blazer EV Technical Service Bulletins

361 technical service bulletins (TSBs) are on record for the 2025 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.

• 11011769Dec 5, 2024Other or unknown. This Preliminary information communicates to dealership technicians that if they have a customer with this issue, do not replace any parts until the repair is available.
• 11012187Dec 4, 2024Electrical system, Fuel system. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
• 11011686Dec 4, 2024Transmission and drivetrain, Electrical system, Other or unknown. 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.
• 11012003Nov 27, 2024Visibility (wipers, defrost, mirrors), Other or unknown. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
• 11011996Nov 25, 2024Other or unknown, Electrical system. This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
• 11011359Nov 25, 2024Other or unknown. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
• 11011349Nov 22, 2024Other or unknown, Electrical system. This Preliminary information communicates a vehicle may be encountered with a concern of heat blowing cold at times, a whistling noise and P0534. Any or all of these conditions may be noted by a technician or customer. The dealer technician is directed to test the temperature at the condenser check valve, inspect the valve and inspect the line for a possible issue with the opening in the line. A procedure is given…
• 11011896Nov 21, 2024Electrical system, Fuel system. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 11011944Nov 20, 2024Fuel system, Electrical system. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
• 11011961Nov 19, 2024Electrical system, Fuel system. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information.
• 11011226Nov 8, 2024Electrical system, Exterior lighting. This Preliminary information communicates that a dealer may install the perimeter rocker lighting kit and find that it will not illuminate. The dealer is advised that updated software will be made available to repair this concern in the future.
• 11011187Nov 8, 2024Other or unknown. This Preliminary information communicates that a vehicle may be encountered with a whistle noise when the AC is on. The technician is advised to inspect the AC check valves and replace them if necessary.
• 11011709Nov 5, 2024Engine, Body and structure, Wheels, Other or unknown, Brakes. 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.
• 11011164Nov 4, 2024Other or unknown. This Preliminary information communicates to dealership technicians that if they have a customer with this issue, do not replace any parts till the repair is available.
• 11011163Nov 1, 2024Other or unknown. This Preliminary information communicates a vehicle may exhibit a service driver assist message. On inspection the tech will find B1A05 Sym 54 set in the Front View Camera Module (FVCM). The tech is directed to perform programming and learn on the FVCM.
• 11011481Oct 29, 2024Other or unknown. This Preliminary information communicates that poor phone call sound may be due to microphone being installed upside down. Technician is to reinstall the microphone to ensure it is installed correctly.
• 11011476Oct 28, 2024Electrical system. 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.
• 11011475Oct 28, 2024Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11011470Oct 25, 2024Other or unknown. 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 and learn on the FVCM.
• 11009192Oct 25, 2024Electrical system. This Preliminary information communicates the need to program the BECM before replacement of the high Voltage battery.
• 11009149Oct 25, 2024Other or unknown. This Preliminary information communicates the request that engineering it looking to get data from these vehicles before any work is being performed.
• 11009147Oct 25, 2024Seats. 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.
• 11011122Oct 24, 2024Fuel system, Electrical system. This service bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac LYRIQ, Chevrolet Blazer EV, Equinox EV and Corvette E-Ray.
• 11009111Oct 24, 2024Other or unknown. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
• 11011157Oct 22, 2024Electrical system, Fuel system. 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.
• 11009048Oct 22, 2024Other or unknown. 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.
• 11011452Oct 18, 2024Electrical system. This Preliminary information communicates the request that engineering it looking to get data from these vehicles before any work is being performed.
• 11008987Oct 18, 2024Electrical 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.
• 11010716Oct 16, 2024Body and structure. This informational bulletin provides information on EV Charge Inlet Dust Cover Replacement Information.
• 11011442Oct 14, 2024Other or unknown. 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.
• 11010575Oct 12, 2024Forward collision avoidance. This service bulletin provides information for dealers/technicians on Grunt Noise with Adaptive Cruise or One-Pedal Drive.
• 11010576Oct 11, 2024Other or unknown. 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.
• 11011430Oct 9, 2024Electrical system. This Preliminary information communicates that a vehicle may have P0534 set. There is a possibility that the circuits may have been swapped for temperature sensors 5 and 6. The technician is instructed to inspect the circuits at sensors 5 and 6 and if they are incorrect to move them to the correct terminals at the Battery Energy Control Module and to label the circuits.
• 11010545Oct 9, 2024Other or unknown. This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
• 11011424Oct 8, 2024Electrical system. 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 to update the BCM with the latest calibrations.
• 11010493Oct 5, 2024Body and structure, Other or unknown. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 11010492Oct 3, 2024Electrical system, Other or unknown. This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
• 11010488Oct 3, 2024Other or unknown. This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
• 11010423Oct 3, 2024Electrical system, Other or unknown. This bulletin provides Information on Infotainment Screen Hot to the Touch.
• 11010421Oct 3, 2024Electrical system. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 11010495Oct 2, 2024Other or unknown. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 11010491Oct 2, 2024Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11011408Oct 1, 2024Other or unknown. This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
• 11009468Sep 27, 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.
• 11009467Sep 26, 2024Fuel system, Electrical system. This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.
• 11009764Sep 21, 2024Other or unknown, Body and structure. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
• 11009760Sep 21, 2024Electrical 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.
• 11009448Sep 18, 2024Electrical system, Fuel system. This service bulletin provides dealers Warranty Administration - North American Charging Standard (NACS) DC Adapter Warranty Claim Information.
• 11009194Sep 18, 2024Electrical system, Other or unknown. This informational bulletin provides information for dealers/technicians on a Delay of Fleet Calibration 6E2 and 6E8.
• 11009164Sep 17, 2024Body and structure. This service bulletin provides information on Blazer EV Police Vehicle Air Deflector Installation.

← All problems reported for the 2025 Chevrolet Blazer EV