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Service bulletins for the 2025 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT63392025-02-25. Service bulletin. UNKNOWN OR OTHER. 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.
PIT5551Q2025-02-25. 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".
N25-F172AE2025-02-21. Over-the-air update. UNKNOWN OR OTHER. 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™
24-NA-1022025-02-21. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS. This technical bulletin provides repair information to correct a customer concern of Advanced Park Assist Non-functional.
23-NA-0862025-02-20. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
22-NA-2152025-02-20. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION 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.
PIC6557D2025-02-18. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates instructions if a Super Cruise unavailable message is displayed.
PIT6105C2025-02-18. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
PIT6112C2025-02-18. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates dignostics tips for P0534 codes on 2024 Blazer EV and 2023 and 2024 Lyriq as well as 2024 Equinox EV
PIT63372025-02-18. Service bulletin. UNKNOWN OR OTHER. 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.
PIT63342025-02-18. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6155C2025-02-18. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates information for B19B0 SYM49 falsely setting.
PIT6280A2025-02-18. Service bulletin. STRUCTURE:BODY; EXTERIOR LIGHTING. This Preliminary information communicates that a dealer may install the perimeter rocker lighting kit and find that it will not illuminate. The dealer is advised that updated software is now available to repair this concern.
PIT6290A2025-02-18. Service bulletin. UNKNOWN OR OTHER. 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 to modify the line if needed.
25-NA-0012025-02-18. Service bulletin. POWER TRAIN. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
24-NA-1272025-02-17. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This bulletin provides Information on Infotainment Screen Hot to the Touch.
24-NA-0482025-02-17. Service bulletin. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; SERVICE BRAKES. This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
23-NA-0642025-02-12. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
22-NA-2442025-02-12. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
22-NA-0742025-02-12. Service bulletin. ENGINE. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
21-NA-0432025-02-12. Service bulletin. VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
21-NA-1352025-02-12. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
10-08-110-001L2025-02-11. Service bulletin. STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats.
01-08-42-001Q2025-02-11. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
25-NA-0172025-02-11. Service bulletin. STRUCTURE:BODY. This technical bulletin provides a procedure to correct the condition of Center Console Storage Door Difficult to Open and/or Binding or Stuck.

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