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Service bulletins for the 2023 Buick Encore GX

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.

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

Warranty extensions
22-NA-2442024-05-30. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY; UNKNOWN OR OTHER; SERVICE BRAKES. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

A warranty extension may pay for a repair after the basic warranty has ended. Read the document for which vehicles and which repair it covers.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT6110L2026-10-14. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIT6457C2026-10-05. 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.
PIC6540K2026-10-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIT5698F2026-09-30. Service bulletin. UNKNOWN OR OTHER. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
PIP4902W2026-09-10. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT5995B2026-09-10. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information provides the dealer information of the location of the rear seat child anchors.
PIT6196A2026-09-02. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information provides a diagnostic tip for diagnosing an issue with Cruise Control, Adaptive Cruise and Lane Keep Assist Turns Off or Inoperative.
PIC6551C2026-08-27. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIT6110K2026-08-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIC6548B2026-07-30. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technician the direction needed when encountering an issue with switching between adaptive cruise control and regular cruise control or an issue with automatic high beam feature after the front camera was replaced.
PIT5099J2026-07-29. Service bulletin. UNKNOWN OR OTHER. PI to help diagnose A/C concern
PIT5966F2026-07-07. 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.
PIP6031E2026-06-08. Service bulletin. UNKNOWN OR OTHER. This PI addresses leaks from the case half and provides repair direction to dealer technicians
PIP6032C2026-06-08. Service bulletin. UNKNOWN OR OTHER. PIP6032B provides diagnostic direction for dealers when encountering transmission leaks
PIP6033B2026-06-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to technicians to remove the pulley assembly and inspect the drive chain and pulley surfaces.
PIC6540J2026-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIC6540H2026-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIC6626A2026-05-19. Service bulletin. UNKNOWN OR OTHER. PI created to guide technicians through radio restriction process
PIC6423A2026-05-19. Service bulletin. UNKNOWN OR OTHER. Pi created to provide GM dealers with information on gathering information for projection issue
PIC6551B2026-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIC6566C2026-05-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
PIC6540G2026-05-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIC6540G2026-05-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIP6029A2026-04-29. Service bulletin. UNKNOWN OR OTHER. This PI instructs dealers to install foam around the shifter cable to stop rattling
PIT3271Q2026-04-07. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates information about how to determine if a wheel and tires size change is available.

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