Cadillac Escalade 2026 — technical service bulletin
Bulletin PIT6459 · NHTSA communication 11026069 · issued Nov 26, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2026
model years
8
vehicle entries
Official summary
This PI communicates an issue where the Brake System Control Module DTC: U0028-88 and U0037-88 diagnostics are backwards and follow the diagnostic procedure for U0037 if U0028 is set and vice versa.
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.