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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

Bulletins, newest first
15-06-03-001F2025-04-15. Service bulletin. ELECTRICAL 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.
08-03-10-006I2025-04-15. Service bulletin. WHEELS. 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.
PIT5551R2025-04-15. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIP5841E2025-04-15. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
PIT6157C2025-04-15. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6101Q2025-04-15. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates Engineering is investigating a no audio issue.
25-NA-0012025-04-14. Service bulletin. POWER TRAIN. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
23-NA-1642025-04-11. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passive Functions Do Not Work).
23-NA-1632025-04-10. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925 00, B3926 00, B3927 00, B3928 00 Set.
25-NA-0522025-04-10. Service bulletin. ENGINE. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
PIT63622025-04-07. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
PIT6101P2025-04-07. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6352A2025-04-01. Service bulletin. UNKNOWN OR OTHER. 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.
PIP5981E2025-04-01. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
PIT63532025-04-01. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates Proper NACS charging adaptor usage.
25-NA-0492025-03-27. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This informational bulletin provides information for dealers/technicians on Service High Voltage Message Setting DTC P0CCD.
PIT6101N2025-03-26. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates Engineering is investigating a no audio issue.
PIT63542025-03-26. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates A vehicle may be encountered with door chimes, dome lamps, mirrors inop or a radio that will not shut off when the door is opened. The tech is directed to inspect X500 and X600 for water intrusion. The A pillar body plugs are to be replaced and sealed.
25-NA-0482025-03-19. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Faulty Low 12V Battery Email OnStar Alerts.
25-NA-0472025-03-19. Service bulletin. ELECTRICAL 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.
N2524924302025-03-18. Service campaign. VISIBILITY/WIPER; UNKNOWN OR OTHER. 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 serviced at a GM dealer to receive these software updates.
PIT63522025-03-17. Service bulletin. UNKNOWN OR OTHER. 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.
PIT63512025-03-17. Service bulletin. UNKNOWN OR OTHER. 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.
25-NA-0012025-03-14. Service bulletin. POWER TRAIN. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
24-NA-1432025-03-14. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.

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