Check a VIN

May 27, 2026 Over-the-air update

• Improvements to traction and stability control on uneven terrain • Improvements to braking performance...

Cadillac technical service bulletin 661.10 for 2026 Cadillac CT5 and 2026 Cadillac CT4.

Bulletin number
661.10 (661.10)
Component
Unknown or other
Summary
• Improvements to traction and stability control on uneven terrain • Improvements to braking performance on low-traction surfaces • Improvements to assisted braking • Improvements to active cabin ventilation • Additional protection for the health of your battery • Updates to help prevent excessive battery drain and overheating • Improvements to the software update system

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Cadillac CT5?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history