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Service bulletins for the 2023 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
04-07-30-013E2023-06-19. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
23-NA-0742023-06-19. Service bulletin. ENGINE AND ENGINE COOLING; STEERING; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM. This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon (SES), Reduced Power, Service Brake, Reduced Steering and/or Stabilitrak Message Illuminated on DIC, multiple DTCs.
23-NA-0622023-06-19. Service bulletin. EQUIPMENT; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D.
02-00-89-002V2023-06-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
PIT6009A2023-06-13. Service bulletin. EQUIPMENT. This Preliminary information communicates that during PDI it may be discovered there is no front license plate bracket contained in the loose parts. The dealer is advised that this is not a shipping issue and the part should be ordered with a SPAC case if necessary.
PIT5843B2023-06-13. Service bulletin. VEHICLE SPEED CONTROL; PARKING BRAKE; LANE DEPARTURE. This Preliminary information communicates that a vehicle may come to the dealer with concerns of various warning messages, possibly the door locks cycling, passive entry inoperative or other concerns. The technician is instructed to inspect G401 for loose or missing terminals and to inspect G405.
PIC6496A2023-06-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates the direction a technician needs to take when DTC P30EF is set.
PIT5979B2023-06-13. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; SERVICE BRAKES; EQUIPMENT:ELECTRICAL. This Preliminary information communicates that a vehicle may come to the dealer with a complaint of a dead battery or cruise control inoperative. The technician is instructed to actuate the brake pedal multiple times in an attempt to duplicate the concern. If it can be duplicated a BPP learn should be performed and if it is duplicated after that, the brake pedal assembly should be replaced. If the concern cannot be duplicated the technician is instructed to perform a BPP learn procedure.
PIT60092023-06-13. Service bulletin. STRUCTURE. This Preliminary information communicates that during PDI it may be discovered there is no front license plate bracket contained in the loose parts. The dealer is advised that this is not a shipping issue and the part should be ordered with a SPAC case if necessary.
08-07-30-026H2023-06-06. Service bulletin. POWER TRAIN. This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
23-NA-0722023-06-05. Service bulletin. POWER TRAIN; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. This service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
22-NA-2442023-06-05. Service bulletin. EQUIPMENT. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
12-03-10-001E2023-06-05. Service bulletin. WHEELS. This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
21-NA-1422023-06-05. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
23-NA-0822023-06-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. This technical bulletin provides a procedure for rear park assist button replacement due to some vehicles that were built with a ride control switch that still contains the rear park assist button on it.
23-NA-0822023-06-05. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; EQUIPMENT; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This technical bulletin provides a procedure for rear park assist button replacement due to some vehicles that were built with a ride control switch that still contains the rear park assist button on it.
19-NA-1672023-05-17. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This service bulletin provides repair information to correct a customer concern of a water leak into interior, and/or various electrical concerns, liftgate actuator noisy or inoperative.
PIE07492023-05-16. Service bulletin. SEATS. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to having a squeak, rattle and/or creak type noise heard from the second row-seat area.
PIT5979A2023-05-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates that a vehicle may come to the dealer with a complaint of a dead battery or cruise control inoperative. The technician is instructed to actuate the brake pedal multiple times in an attempt to duplicate the concern. If it can be duplicated a BPP learn should be performed and if it is duplicated after that, the brake pedal assembly should be replaced. If the concern cannot be duplicated the technician is instructed to perform a BPP learn procedure.
PIT5971B2023-05-15. Service bulletin. COMMUNICATION: AUTO CRASH NOTIFICATION. This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.
23-NA-0862023-05-10. Service bulletin. EXTERIOR LIGHTING. This informational bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
01-08-42-001P2023-05-09. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
19-NA-2192023-05-06. Service bulletin. ENGINE AND ENGINE COOLING. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
17-NA-1702023-05-06. Service bulletin. WHEELS. This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
11-00-89-005W2023-05-06. Service bulletin. UNKNOWN OR OTHER. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

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