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Service bulletins for the 2027 GMC Yukon

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.

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

By type

Bulletins, newest first
PIT65542026-10-06. Service bulletin. UNKNOWN OR OTHER. This preliminary information is to help technicians decide if the DTC needs to be diagnosed if relating to the concern and if it is not, the DTC can be ignored.
PIT6477D2026-10-06. Service bulletin. UNKNOWN OR OTHER. This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in the scan tool
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.
PIT6551A2026-10-05. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with of a service theft message after using the rear window defogger. Engineering is currently investigating.
PIC6540K2026-10-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIT6368E2026-10-02. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
PIT5698F2026-09-30. Service bulletin. UNKNOWN OR OTHER. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
PIT65512026-09-29. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with of a service theft message after using the rear window defogger. Engineering is currently investigating.
PIC66632026-09-23. Service bulletin. UNKNOWN OR OTHER. This PI communicates the possibility of a B1599 setting and directs to contact TCSC.

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