Yukon XL 4WD

364 service bulletins filed with NHTSA for this model year

• Jun 5, 2026UNKNOWN OR OTHERPIT6477C

  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

• Jun 5, 2026UNKNOWN OR OTHERPIT6426B

  Fog lamp control may be missing from radio display after a BCM update. Engineering is investigating.

• Jun 3, 2026UNKNOWN OR OTHERPIT6503A

  This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.

• Jun 2, 2026UNKNOWN OR OTHER654.40

  • Fixes to help protect battery health. • Improvements to traction while driving on difficult terrain and using Four-Wheel Drive Low.

• May 27, 2026UNKNOWN OR OTHERPIT6519

  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.

• May 26, 2026UNKNOWN OR OTHER661.30

  • Fixes to help protect battery life. • Improvements to provide more accurate speed limit detection on the driver’s display. • Improvements to the availability of driver assistance features and fewer notifications or warnings. • Fixes to help ensure driver assistance features remain functional when the windshield freezes.

• May 22, 2026UNKNOWN OR OTHERPIT6426A

  If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.

• May 21, 2026UNKNOWN OR OTHERPIT6516B

  This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.

• and 356 more

Source: NHTSA manufacturer communications (technical service bulletins).