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.

• 11023367May 17, 2025Fuel system, Electrical system. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
• 11023484May 16, 2025Fuel 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.
• 11023388May 15, 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.
• 11018323May 15, 2025Other or unknown. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
• 11024498May 14, 2025Fuel system, Electrical system. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
• 11024496May 14, 2025Electrical system, Fuel system. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information.
• 11023365May 14, 2025Fuel system, Electrical system. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 11018475May 13, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 11018472May 13, 2025Other or unknown. This Preliminary Information communicates to dealership technicians to not replace any parts at this time for the error 302. They can communicate to the customer for the work around at this time.
• 11023266May 9, 2025Electrical system, Fuel system. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC) and/or a no-start condition following a recent vehicle update.
• 11023051May 8, 2025Forward collision avoidance. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
• 11018430May 6, 2025Other or unknown. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
• 11018422May 5, 2025Other or unknown. This Preliminary information communicates the possibility of a resetting of some information modules prior to delivery.
• 11018420May 5, 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.
• 11017550May 2, 2025Other or unknown. 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.
• 11017374May 1, 2025Other or unknown. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
• 11017782Apr 29, 2025Other or unknown. This Preliminary Information communicates that, under certain conditions, a MIL (Malfunction Indicator Lamp) illumination or a "Service High Voltage" message may display on the IPC (Instrument Panel Cluster), and the 12V battery may experience discharge. In these instances, it is advised to perform BECM (Battery Energy Control Module) programming and execute the Manual Reset Shunt process.
• 11017332Apr 29, 2025Other or unknown. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
• 11017276Apr 28, 2025Other or unknown. This Preliminary information communicates information for B19B0 SYM49 falsely setting.
• 11019624Apr 25, 2025Electrical system, Fuel system. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
• 11019545Apr 24, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11019548Apr 23, 2025Electrical system. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11017198Apr 22, 2025Other or unknown. This software update includes the following, if your vehicle is equipped: •Improves accuracy of service messages for high voltage charging system. •Reduces drain on 12V battery. •Improves performance of charging. 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 your vehicle during…
• 11019459Apr 18, 2025Electrical system, Steering. This technical bulletin provides repair information to correct a customer concern of Turn Signal Over Cancelling.
• 11017311Apr 18, 2025Other or unknown. This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern to reset the radio at this time. The PI will be updated or replaced with TSB once a determination has been made.
• 11017310Apr 18, 2025Other or unknown. This Preliminary information communicates if a customer and service tech encounter a gear display after a radio update, to replace the A11 radio for this concern.
• 11019516Apr 17, 2025Steering, Suspension, Transmission and drivetrain. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
• 11017274Apr 16, 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.
• 11017271Apr 16, 2025Other or unknown. This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
• 11017270Apr 16, 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.
• 11017257Apr 16, 2025Other or unknown. This Preliminary information communicates how to recover the Image Processing Module.
• 11019460Apr 15, 2025Other or unknown. This technical bulletin provides repair information to correct a customer concern of Remote-Control Door Lock and Theft Deterrent Transmitter Chevrolet Black Bowtie Poor Appearance.
• 11017258Apr 14, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 11017886Apr 9, 2025Electrical system, Fuel system. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
• 11016982Apr 9, 2025Other or unknown. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, it is normal operation and nothing should be replaced.
• 11018051Apr 8, 2025Electrical system, Other or unknown. 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.
• 11017839Apr 8, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11017519Apr 4, 2025Electrical system, Other or unknown. This service bulletin provides repair information on a new radio software version to correct a customer concern of Radio Software issues.
• 11017502Apr 4, 2025Electrical system, Fuel system. This service bulletin provides diagnostic information for dealers/technicians on an Amber Light on Dual Level Portable Charge Cord Set.
• 11017595Apr 3, 2025Electrical system. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
• 11017568Apr 1, 2025Exterior lighting, Electrical system. This technical bulletin provides repair information to correct a customer concern of Blazer EV Turn Signal Fast Flash.
• 11017244Mar 31, 2025Electrical system. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 11017246Mar 29, 2025Other or unknown. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
• 11017247Mar 28, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11016170Mar 27, 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.
• 11017260Mar 26, 2025Fuel system, Electrical system. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
• 11016160Mar 24, 2025Other 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.
• 11016155Mar 24, 2025Other or unknown. This Preliminary information communicates Proper NACS charging adaptor usage.
• 11017207Mar 21, 2025Electrical system, Other or unknown. 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.

← All problems reported for the 2024 Chevrolet Blazer EV