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: Driver assistance are shown. Show all
| PIP5623 | 2023-03-13. Service bulletin. BACK OVER PREVENTION; ENGINE AND ENGINE COOLING. This Preliminary information communicates that a rotational clicking noise heard after engine shut down is a design characteristic and no repairs should be attempted. |
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| PIT5921A | 2023-03-13. Service bulletin. BACK OVER PREVENTION. This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered. |
| 22-NA-127 | 2023-03-04. Service bulletin. BACK OVER PREVENTION:SOFTWARE; EQUIPMENT:ELECTRICAL. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues. |
| N222391920 | 2023-02-22. 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. |
| PIE0727A | 2023-02-08. 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. |
| PIT5551H | 2023-01-30. Service bulletin. FORWARD COLLISION AVOIDANCE. 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". |
| PIT5961 | 2023-01-30. 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. |
| PIT5481H | 2022-12-12. Service bulletin. STEERING; LANE DEPARTURE. 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. |
| PIE0727 | 2022-12-06. 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. |
| PIT5940A | 2022-11-21. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This Preliminary information communicates that a customer may notice that the gridlines on the backup camera are very dim. They may mention that this occurred after an OTA update. The dealer technician is advised to perform no repairs. The technician is advised that engineering is looking into a resolution and the resolution will be communicated through this PI or a bulletin when it becomes available. |
| PIT5931A | 2022-10-17. Service bulletin. SUSPENSION; BACK OVER PREVENTION. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.