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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

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

Bulletins, newest first
PIT59792023-03-13. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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.
22-NA-0232023-03-03. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Instrument Cluster DIC Displays Programming in Progress Message and Progress Bar.
21-NA-1422023-03-01. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
22-NA-2352023-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using Samsung Phones at Offset Positions.
21-NA-0542023-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct various functional concerns of the Instrument Cluster and DTC U0155.
N2223919202023-02-22. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. Service Update- Certain vehicles may have a condition where the service rear park assist warning is illuminated. Dealers are to perform setup and configuration on the instrument cluster.
22-NA-1152023-02-21. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
PIE0727A2023-02-08. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: CAMERA; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; EQUIPMENT; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. This engineering information (EI) closure ends the need for gathering information from technicians in regards to a Service Front Camera message on the driver information center (DIC), having the loss of the front camera features and/or its functionality.
PIT59612023-01-30. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This Preliminary information communicates that a vehicle may be encountered with a message "service park assist". Upon further inspection it will be found that the vehicle was built with RPO 060 - park assist delete, the vehicle is not equipped with park assist. The technician is advised that updated calibrations will be available on 12/12/2023 and is given instructions for programming the Instrument cluster.
21-NA-1352023-01-25. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
22-NA-1152023-01-25. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
22-NA-2502023-01-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Rear View Camera Display Gridlines Dim.
22-NA-2422022-12-07. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
22-NA-2382022-12-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
22-NA-2302022-12-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides information on Information on Order/Content Change: Wireless Phone Charging.
PIE07272022-12-06. Service bulletin. EQUIPMENT; FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM. This engineering information (EI) s requesting to gather information from technicians, perform the check list provided and contact the engineer listed in regards to a Service Front Camera message on the driver information center (DIC), having the loss of the front camera features and/or its functionality.
22-NA-2352022-12-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using Samsung Phones at Offset Positions.
22-NA-1882022-11-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of MAF Sensor Calibration Update - DTCs P227C and P10BC Set After ECM Replacement.
21-NA-0542022-11-03. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct various functional concerns of the Instrument Cluster and DTC U0155.
22-NA-2052022-11-02. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on Module Harvesting.
PI0592G2022-10-13. Service bulletin. ELECTRICAL SYSTEM. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
13-08-116-001H2022-10-11. Service bulletin. ELECTRICAL SYSTEM. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
21-NA-0682022-10-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
22-NA-1152022-07-12. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.

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