PI 2027 Yukon/Yukon XL Engineering Is Aware of the Amber Air Suspension Lock Indicator… — PIT6560

[AT4Forum]

Preliminary information · Preliminary information PIT6560

This is a preliminary information note, not a recall. GMC sends these to dealer technicians about a known condition, often while a fix is still being worked out. They are not repair orders, and they don't by themselves change what is covered.

Published: Oct 30, 2026
Applies to: Yukon, Yukon XL (2027 model year)

Summary (official text)​

This PI communicates information that Engineering is aware of the Amber Air Suspension Lock indicator coming on and are investigating the concern. The PI provides reset instructions for the dealer to clear the indicator.

Sources​

• PIT6560 (PDF, NHTSA document 11039143) — Oct 30, 2026

Details from NHTSA as of Nov 5, 2026. If NHTSA or GMC revises this notice, this post is updated and significant changes are noted in a reply. The linked documents are the authority, and a dealer can confirm whether it applies to your VIN.

Have you experienced this issue with your vehicle? Let us know your model year and engine, plus any diagnosis or repair details.

 

AT4 Forum Fav 👍

The Original Short Rubber Replacement Antenna - Grab one through Amazon!