2027 GMC Yukon technical service bulletins
20 technical service bulletins and manufacturer communications cover the 2027 GMC Yukon.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Unknown or other
- Unknown or other
- Beginning with 2026 model year production, the floor console/armrest lamp design was changed by removing...
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a...
- This PI communicates information that Engineering is aware of the Amber Air Suspension Lock indicator...
- Unknown or other
- • Updates to reduce unnecessary service messages in the driver display • More reliable power liftgate...
- Unknown or other
- • Improved power window operation • Improvements to help prevent battery drain • Improved vehicle access...
- This PI communicates the possibility of a B1599 and/or B0126 setting and directs to contact TCSC.
- Unknown or other
- • Improved reliability of connected services, including OnStar, Wi-Fi hotspot, and navigation • Enhanced...
- Unknown or other
- Unknown or other
- Unknown or other
- Unknown or other
- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- This PI communicates the possibility of a B1599 setting and directs to contact TCSC.
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