2023 Cadillac CT5

Incident Overview: A Continental Control Contact Sport SRS+ tire (DOT 5323) experienced a catastrophic internal structural failure during normal driving on a wet roadway. The tire had approximately 50% tread remaining and was 1–1.5 years old. Failure Description: Inspection indicates internal belt/carcass separation originating within the tire structure, leading to rapid pressure loss and rupture. No road hazard or external impact was present. Crash Sequence: The failure caused immediate loss of control, vehicle yaw, roadway departure, and multiple impacts (frontal and lateral). The driver airbag deployed, confirming measurable crash force. Injuries: - Aggravation of pre-existing back condition (surgery required) - Hip labral tear and bone spur (surgery required) - Neck and shoulder pain Conclusion: The initiating event was a premature internal structural tire failure, not driver negligence or external hazard.

The contact owns a 2023 Cadillac CT5 equipped with Michelin Tires, Tire Line: Run Flat, Tire Size: 245/40/R19, DOT Number: (Unavailable). The contact stated that after he purchased the vehicle, he noticed that each of the tire pressure monitoring sensors indicated the incorrect tire pressure. The contact stated that the front driver’s side indicated 29 PSI, the front passenger’s side indicated 33 PSI, the rear driver’s side indicated 30 PSI, and the rear passenger’s side indicated 33 PSI. The contact stated that the correct reading on the tire manual indicated 33 PSI - Front and 36 PSI - Rear. The vehicle was taken back to the dealer where the technician inflated the tires however, the failure recurred. The vehicle was taken back to the dealer where the vehicle remained. The contact stated that the TPMS sensor failed to reflect the accurate tire pressure. The contact was concerned for his safety. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 11.