Cadillac Escalade 2026 — technical service bulletin
Bulletin 661.40 · NHTSA communication 11032916 · issued May 6, 2026
Technical service bulletin
communication type
Unknown / Other
component
2026
model years
2
vehicle entries
Official summary
• Fixes to help ensure proper opening and closing speed for power doors. • Improvements to longevity for the drive unit used for power doors.
Vehicles covered
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.