Cadillac CT6 2018–2025 — technical service bulletin
Bulletin PIT6359 · NHTSA communication 11016152 · issued Mar 24, 2025
Technical service bulletin
communication type
Unknown / Other
component
2018–2025
model years
8
vehicle entries
Official summary
"This Preliminary information communicates Verify that WIFI settings are turned on in the radio so the MAP module can get a signal to update over the air maps. If WIFI is turned on follow SI diagnostics."
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.