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Service bulletins for the 2024 Chevrolet Blazer

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

844 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIT6100A2024-04-15. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. This Preliminary information communicates that a dealer may find code B1141 set in the BCM. The technician is advised to reprogram the BCM.
PIT6093A2024-04-15. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This PI states a vehicle may be encountered with a wind noise. The dealer is directed to reprogram the K9 Body Control Module with the latest calibrations available.
PIP5961A2024-04-15. Service bulletin. ELECTRICAL 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.
23-NA-2272024-04-09. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL 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.
23-NA-2222024-04-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 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.
20-NA-1322024-04-05. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
10-08-45-001H2024-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
24-NA-0602024-03-29. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concerns of Radio Software issues.
24-NA-0562024-03-29. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides repair information to correct a customer concern of radio software anomalies.
PIE0773B2024-03-20. Service bulletin. ELECTRICAL SYSTEM; SEATS. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to Melted Burn Marks and/or Smoke Smell Coming from the Height Adjuster Motor Under the Front Row Seat.
24-NA-0482024-03-19. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; BACK OVER PREVENTION; SERVICE BRAKES, HYDRAULIC. 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 of a garage or driveway.
23-NA-1512024-03-19. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides a procedure to High Voltage Battery Core Return Shipment Criteria.
PIP5957A2024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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. This PI outlines the path the dealer is to take to verify that the vehicle can be repaired with this procedure to prevent unnecessary parts replacement and time in service.
PIP59612024-03-18. Service bulletin. ELECTRICAL 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.
PIT6103A2024-03-18. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. This Preliminary Information communicates a possible issue with the power windows and object sensor indicators caused by a window switch.
PIT61252024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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.
PIE0775C2024-03-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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)
PIE0775B2024-03-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL 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.
N242436241-012024-03-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. 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.
N2424362402024-03-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. 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.
22-NA-0832024-03-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
N2424362412024-03-09. Service bulletin. ELECTRICAL SYSTEM. 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.
N2424362402024-03-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. 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.
DCS68102024-03-09. Service bulletin. ELECTRICAL SYSTEM. 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 – 12V VIN List 3.4.24) is an updated & corrected list. As many of you are aware, on December 22, 2023, we issued a stop sale under GlobalConnect message GCUS-3-3106 on the 2024 Chevrolet Blazer EV. Since that time, we stopped shipment of these vehicles to Dealers. As a result, some of these Blazer EVs were in our logistics network for a prolonged period which has resulted in a low 12-volt battery.
DCS68082024-03-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Low 12V Battery - For the impacted VINs, we are waiving the recharging and testing requirements traditionally required for a warranty battery replacement authorization. Battery testing requirements during the PDI process continues to be required.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.