• Improves transmission diagnostic software
Cadillac technical service bulletin 662.20 for 2025-2026 Cadillac CT5 and 2025-2026 Cadillac CT4.
- Bulletin number
- 662.20 (662.20)
- Component
- Unknown or other
- Summary
- • Improves transmission diagnostic software. • Reduces unnecessary check
Vehicles covered
- Cadillac CT5 2025-2026 20252026
- Cadillac CT4 2025-2026 20252026
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