# Service bulletins for the 2023 Chevrolet Malibu 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 bulletins from NHTSA, as of 2026-10-19. - [PIT6457C](/bulletins/11038136.md), 2026-10-05, Service bulletin: UNKNOWN OR OTHER. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced. - [PIC6540K](/bulletins/11038132.md), 2026-10-05, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio. - [PIT5698F](/bulletins/11037555.md), 2026-09-30, Service bulletin: UNKNOWN OR OTHER. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it. - [PIP4902W](/bulletins/11037253.md), 2026-09-10, Service bulletin: UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance. - [PIC6551C](/bulletins/11036392.md), 2026-08-27, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues - [PIT5099J](/bulletins/11035340.md), 2026-07-29, Service bulletin: UNKNOWN OR OTHER. PI to help diagnose A/C concern - [PIT5966F](/bulletins/11034769.md), 2026-07-07, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message. - [PIP6031E](/bulletins/11033725.md), 2026-06-08, Service bulletin: UNKNOWN OR OTHER. This PI addresses leaks from the case half and provides repair direction to dealer technicians - [PIP6032C](/bulletins/11033723.md), 2026-06-08, Service bulletin: UNKNOWN OR OTHER. PIP6032B provides diagnostic direction for dealers when encountering transmission leaks - [PIP6033B](/bulletins/11033719.md), 2026-06-08, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to technicians to remove the pulley assembly and inspect the drive chain and pulley surfaces. - [PIT6519](/bulletins/11033150.md), 2026-06-02, Service bulletin: UNKNOWN OR OTHER. This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available. - [PIC6540J](/bulletins/11032784.md), 2026-05-19, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio. - [PIC6540H](/bulletins/11032767.md), 2026-05-19, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio. - [PIC6626A](/bulletins/11032766.md), 2026-05-19, Service bulletin: UNKNOWN OR OTHER. PI created to guide technicians through radio restriction process - [PIC6423A](/bulletins/11032764.md), 2026-05-19, Service bulletin: UNKNOWN OR OTHER. Pi created to provide GM dealers with information on gathering information for projection issue - [PIC6551B](/bulletins/11032763.md), 2026-05-19, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues - [PIC6540G](/bulletins/11032560.md), 2026-05-08, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio. - [PIC6540G](/bulletins/11032559.md), 2026-05-08, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio. - [PIT3271Q](/bulletins/11030974.md), 2026-04-07, Service bulletin: UNKNOWN OR OTHER. This preliminary information communicates information about how to determine if a wheel and tires size change is available. - [N25\-250552](/bulletins/11030532.md), 2026-04-02, Over\-the\-air update: UNKNOWN OR OTHER. Improvements to OnStar functionality. - [PIP6104](/bulletins/11030092.md), 2026-03-17, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect. - [PIP4902V](/bulletins/11030091.md), 2026-03-17, Service bulletin: UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance. - [PIT6425D](/bulletins/11029950.md), 2026-03-11, Service bulletin: UNKNOWN OR OTHER. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss - [PIC6626](/bulletins/11027940.md), 2026-02-01, Service bulletin: UNKNOWN OR OTHER. PI created to guide technicians through radio restriction process - [PIP6098](/bulletins/11027701.md), 2026-01-19, Service bulletin: UNKNOWN OR OTHER. This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction. 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