- 2025–2026 Factory-verified
only in: CT4-V and CT4-V Blackwing; 2025: all trims: O; 2026: V-Series Blackwing: S
BTH Factory-verified
Documented applications
- 2023, 2025–2026 Factory-verified
only in: CT5-V, CT5-V Blackwing; V-Series: not available; V-Series Blackwing: S
This page aggregates every documented appearance of BTH in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.