Cadillac Escalade 2025 — technical service bulletin
Bulletin 663.20 · NHTSA communication 11035293 · issued Jul 16, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2025
model years
6
vehicle entries
Official summary
• Improves transmission diagnostic software. • Reduces unnecessary check engine light activations.
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.