Cadillac Escalade 2026 — technical service bulletin
Bulletin PIT6431 · NHTSA communication 11023143 · issued Sep 8, 2025
Technical service bulletin
communication type
Unknown / Other
component
2026
model years
15
vehicle entries
Official summary
This preliminarily information communication an issue with the supercruise dropping out when next to a merging lane and engineering is investigating.
Vehicles covered
- 2026 Cadillac Escalade
- 2026 Cadillac Escalade Esv
- 2026 Cadillac Escalade IQ
- 2026 Cadillac Escalade Iql
- 2026 Cadillac Lyriq
- 2026 Cadillac Optiq
- 2026 Chevrolet Equinox EV
- 2026 Chevrolet Silverado EV
- 2026 Chevrolet Suburban 1500
- 2026 Chevrolet Tahoe
- 2026 GMC Hummer EV Pickup
- 2026 GMC Hummer EV SUV
- 2026 GMC Sierra EV
- 2026 GMC Yukon
- 2026 GMC Yukon XL
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.