# Service bulletins for the 2021 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.

696 bulletins from NHTSA, as of 2026-10-19.

- [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.
- [PIP6032C](/bulletins/11033723.md), 2026-06-08, Service bulletin: UNKNOWN OR OTHER. PIP6032B provides diagnostic direction for dealers when encountering transmission leaks
- [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
- [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
- [N25\-250552](/bulletins/11028977.md), 2026-02-24, Over\-the\-air update: UNKNOWN OR OTHER. Improvements to OnStar functionality. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
- [N252516900\-01](/bulletins/11028909.md), 2026-02-19, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
- [N252516900](/bulletins/11028382.md), 2026-02-05, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Additional VINs moved to Open status.
- [N252516900](/bulletins/11027870.md), 2026-01-29, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Additional VINs Moved to ‘Open’ Status
- [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.
- [PIT6425C](/bulletins/11027697.md), 2026-01-19, 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's
- [N252516900](/bulletins/11027666.md), 2026-01-15, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Fuel Pump Power Control Module. Additional VINs Moved to ‘Open’ Status
- [PIP4902U](/bulletins/11027601.md), 2026-01-13, Service bulletin: UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- [N25\-250552](/bulletins/11026842.md), 2025-12-24, Over\-the\-air update: UNKNOWN OR OTHER. Improvements to OnStar functionality. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
- [PIC6636](/bulletins/11026726.md), 2025-12-22, Service bulletin: UNKNOWN OR OTHER. This Preliminary Information addresses an issue with the odometer displaying dashes and provides direction for the dealership/technician.
- [N252516900](/bulletins/11026626.md), 2025-12-17, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. Additional VINs moved to Open status.
- [25\-NA\-156](/bulletins/11026104.md), 2025-12-04, Service bulletin: WHEELS. This service bulletin provides information on Tire Sidewall Irregularities.

More: [the next page](/v1/vehicles/2021_chevrolet_malibu/bulletins?cursor=2025-12-04_11026104) (JSON)

JSON: [/v1/vehicles/2021_chevrolet_malibu/bulletins](/v1/vehicles/2021_chevrolet_malibu/bulletins)

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