Cadillac Escalade 2026 — technical service bulletin
Bulletin PIT6496A · NHTSA communication 11030188 · issued Mar 19, 2026
Technical service bulletin
communication type
Unknown / Other
component
2026
model years
2
vehicle entries
Official summary
This preliminary information communicates an issue with a service headlight message and history DTCs B1B5F sym49 or B1B60 sym49 that advises dealership to verify headlight operation and that engineering is investigating.
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.