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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.

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

Bulletins, newest first
24-NA-1322024-08-16. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
PIT5481J2024-08-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
24-NA-1132024-08-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
PIT6155B2024-08-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates information for B19B0 SYM49 falsely setting
PIT5985D2024-08-16. Service bulletin. ELECTRICAL 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.
PIC6486G2024-08-15. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIT5832P2024-08-14. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT6155A2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates information for B19B0 SYM49 falsely setting
PIT6160A2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates that a vehicle may be encountered with a service charging system message, a possible stall or a possible 12 volt battery that will not charge. The technician is instructed to inspect for a harness chafing on an AC line and if damage is found to repair as necessary.
PIC6481A2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates That a LCDD Data Provisioning Warning message my display due to the radio being in Demo Mode.
PIT6044H2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT6101E2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates Engineering is investigating a no audio issue.
PIT5832M2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIC6486F2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
12-01-37-001G2024-08-13. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
PIT61652024-08-13. Service bulletin. ELECTRICAL SYSTEM; SEATS. This Preliminary information communicates that a customer may experience a situation where the memory seat will not return to the set memory position when entering the vehicle at times. The dealer is directed to program the Seat Memory Module to resolve this concern.
N242436241-042024-08-09. Service campaign. 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.
N242436240-042024-08-09. Service campaign. 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.
24-NA-1322024-08-01. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
24-NA-1132024-08-01. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
N242436241-032024-07-30. Service campaign. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Customer Satisfaction Program - vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
N242436240-032024-07-30. Service campaign. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Customer Satisfaction Program - vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update
N242446290-022024-07-30. Service campaign. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. vehicles may have a condition in which the clutch backing plate retaining ring and/or the clutch piston retaining ring inside the transmission are out of specification. Dealers are to overhaul the clutch piston housing.
PIE0788C2024-07-18. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to MIL illuminated on DIC to correct BET and BEV3 Ultium Packs Setting Moving Average Voltage Detection (MAVD) and Delta Voltage Rest Period (DVRP) Fault Codes.
24-NA-0922024-07-18. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Radio Software Version is W38E-174.4.1-M170-SQBR5-180.3.

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