Conditions for Setting the DTC
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
B1446 11
The body control module detects a short to ground on the interior keyless entry antenna 3 signal circuit three or more times.
B1446 12
The body control module detects a short to voltage on the interior keyless entry antenna 3 signal circuit three or more times.
B1446 13
The body control module detects an open on the interior keyless entry antenna signal 3 circuit three or more times.