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.

• 11017207Mar 21, 2025Other or unknown, Electrical system. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
• 11017173Mar 21, 2025Fuel system, Steering, Brakes. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
• 11016019Mar 21, 2025Other or unknown. Update Title: Software Update GM N25-249243 Release Notes: Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: Refinements: •Improves performance of front wiper heating system During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service…
• 11015945Mar 21, 2025Other or unknown. This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.
• 11017050Mar 20, 2025Visibility (wipers, defrost, mirrors). This bulletin provides information on Wiper Blade Maintenance Tips.
• 11015690Mar 18, 2025Other or unknown, Visibility (wipers, defrost, mirrors). Certain vehicles may have a condition in which the heated windshield wiper park is inoperative. Dealers are to reprogram the Lighting Control Module. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle…
• 11017016Mar 14, 2025Wheels. This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
• 11017031Mar 12, 2025Electrical system. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 11016964Mar 12, 2025Wheels, Electrical system. This bulletin provides a procedure to check the TPMS part numbers and replace them if they are the cause of the customers concern.
• 11015646Mar 12, 2025Other or unknown. This Preliminary information communicates A vehicle may come to the dealer with a service high voltage message and P29BB. The dealer is advised not to replace the heater. They are to clear the code and advise the customer that engineering is working on a design improvement.
• 11017004Mar 11, 2025Forward collision avoidance. This service bulletin provides information for dealers/technicians on Diagnostic Aid - Super Cruise Unavailable.
• 11015641Mar 10, 2025Other or unknown. This Preliminary information communicates a vehicle may have a Service AC message. On diagnosis code P0071 will be found. The technician is directed to diagnose the circuits following SI. Tech is advised not to replace any parts and that engineering is working on a design improvement.
• 11015462Mar 10, 2025Other or unknown, Electrical system. Certain vehicles may have missing cavity plugs from the rear chassis harness electrical connector. Dealers are to inspect the rear chassis harness and replace missing harness plugs as necessary.
• 11015572Mar 7, 2025Electrical system, Fuel system. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
• 11016032Mar 5, 2025Other or unknown, Electrical system. This informational bulletin provides information for dealers/technicians on Service High Voltage Message Setting DTC P0CCD.
• 11015620Mar 5, 2025Electrical system, Fuel system. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
• 11015567Mar 5, 2025Other or unknown. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 11015785Mar 4, 2025Electrical system, Engine. This informational bulletin advises the tech where to possibly look for A/C issues and what to do that could fix the issue.
• 11014639Feb 28, 2025Other or unknown. This Preliminary information communicates that some instances of P0D22 can be caused by software anomalies and provides dealers with more specific information that can be used to test for P0D22.
• 11015242Feb 27, 2025Fuel system, Electrical 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.
• 11014633Feb 27, 2025Other 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.
• 11014560Feb 27, 2025Other or unknown. Certain vehicles listed above, may have a condition in which the rocker lighting is inoperative. Dealers will reprogram the Body Control Module and Lighting Control Module.
• 11015215Feb 26, 2025Visibility (wipers, defrost, mirrors). This bulletin provides information on Wiper Blade Maintenance Tips.
• 11015214Feb 26, 2025Electrical system, Other or unknown. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11015213Feb 26, 2025Fuel system, Electrical system. This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.
• 11014631Feb 26, 2025Fuel system, Transmission and drivetrain. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
• 11015409Feb 25, 2025Suspension, Wheels. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
• 11015223Feb 25, 2025Fuel system, Electrical system. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
• 11014617Feb 24, 2025Fuel system. This Preliminary information communicates that a vehicle may come to the dealer with a service high voltage message. The dealer is instructed to check for code B2BAA and if it is found to reprogram the Battery Energy Control Module.
• 11015387Feb 22, 2025Other or unknown. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 11014466Feb 22, 2025Other or unknown. This Preliminary information communicates a vehicle may come to the dealer with a clicking noise on sharp turns at times. The dealer is instructed how to duplicate the concern and is instructed to advise the customer that Engineering is currently investigating.
• 11014465Feb 22, 2025Other or unknown. This Preliminary Information communicates the steps on diagnosing certain EV vehicles with a blank IPC screen, no charge or start concerns. Information includes steps to resolve for various symptoms are provided to the dealership technician.
• 11015382Feb 20, 2025Body and structure. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
• 11015050Feb 20, 2025Back-over prevention (rear camera), Electrical system. This technical bulletin provides repair information to correct a customer concern of Advanced Park Assist Non-functional.
• 11014453Feb 19, 2025Other or unknown. This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern. It is due to software and will need to reprogram the A11 radio module to correct this.
• 11014577Feb 18, 2025Steering. This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 11014452Feb 18, 2025Other or unknown. This Preliminary information communicates programming the Image Processing module and possible replacing the drivers monitoring camera for concerns with Supercruise Unavailable and Driver Attention Assist Unavailable and Drowsy Driver Feature Disabled.
• 11014322Feb 15, 2025Other or unknown. This Preliminary information communicates instructions if a Super Cruise unavailable message is displayed.
• 11014315Feb 15, 2025Other 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.
• 11014314Feb 15, 2025Other or unknown. This Preliminary information communicates dignostics tips for P0534 codes on 2024 Blazer EV and 2023 and 2024 Lyriq as well as 2024 Equinox EV
• 11014312Feb 15, 2025Other or unknown. This Preliminary information communicates a vehicle may come to the dealer with a clicking noise on sharp turns at times. The dealer is instructed how to duplicate the concern and is instructed to advise the customer that Engineering is currently investigating.
• 11014391Feb 14, 2025Back-over prevention (rear camera), Electrical system. This technical bulletin provides repair information to correct a customer concern of Advanced Park Assist Non-functional.
• 11014305Feb 14, 2025Other or unknown. This Preliminary information communicates if a customer and service tech encounter this concern, it will be fixed with a software update and the vehicle can still be driven in the meantime.
• 11014304Feb 14, 2025Other or unknown. This Preliminary information communicates information for B19B0 SYM49 falsely setting.
• 11014563Feb 13, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11014300Feb 13, 2025Other or unknown. 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…
• 11014376Feb 11, 2025Electrical system, Fuel system. 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.
• 11014065Feb 10, 2025Engine. Customer Satisfaction Program. On certain vehicles, the Virtual Cockpit Unit (VCU) may not display controls for heated seats. Dealers will reprogram the body control module.
• 11014392Feb 6, 2025Other or unknown. Great News! Your vehicle keeps getting better. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. Better Never Stops™
• 11014277Feb 6, 2025Brakes, Forward collision avoidance. This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.

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