Year/Make/Model: 2025 Cadillac XT6 AWD Sport Mileage at time of incident: ~12,233 COMPONENT: Service Brakes, Hydraulic / Brake Booster Vacuum Sensor DESCRIPTION OF THE PROBLEM: While driving on a main road 1 mile away from the dealership, the brakes failed without warning. The vehicle was driven directly to the dealership (Les …
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Year/Make/Model: 2025 Cadillac XT6 AWD Sport Mileage at time of incident: ~12,233 COMPONENT: Service Brakes, Hydraulic / Brake Booster Vacuum Sensor DESCRIPTION OF THE PROBLEM: While driving on a main road 1 mile away from the dealership, the brakes failed without warning. The vehicle was driven directly to the dealership (Les Stanford Cadillac, Dearborn, MI) for emergency inspection. This is the same defect that has now caused brake failure twice in approximately 5,500 miles: a brake booster vacuum sensor failure that previously triggered a brake assist warning and was "repaired" on 10/07/25 at 6,747 miles, then recurred and was "repaired" again on 05/29/26 at 12,233 miles. Both repairs replaced the brake booster vacuum sensor assembly, performed by the same dealership and same technician, yet the underlying defect has continued to recur. This is a serious safety defect that creates an unreasonable risk of loss of braking ability while driving, with potential for a crash, injury, or death to the driver, passengers, or other motorists. WHEN DID THE PROBLEM FIRST OCCUR: Originally October 2025; recurred June 2026 with loss of brakes on a main road. WHAT WAS THE OUTCOME: Vehicle driven directly to dealer for inspection following loss of brake function 1 mile away.
NHTSA ODI #11746760
Mileage unknown · Jul 31, 2025
Forward Collision AvoidanceService Brakes
I was backing up into a parking space in a parking garage. I was about halfway into the spot and was not in danger of hitting any vehicles or objects and my vehicle abruptly (extremely hard) braked.
General Motors, LLC (GM) is recalling certain 2023-2025 Cadillac XT5 and 2024-2025 Cadillac XT6 vehicles. The instrument panel may not illuminate when the hazard warning lights, high beams, or turn signals are activated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 101, "Controls and Displays" and 108, "Lamps, Reflective Devices, and Assoc. Equipment."
Consequence & remedy
Consequence: Without the illuminated reminder, the driver could fail to turn off the lights when no longer needed. Hazard warning lights, high beams, or turn signals that remain activated unintentionally can confuse other drivers, increasing the risk of a crash.
Remedy: Dealers will update the instrument panel software, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact Cadillac's customer service at 1-800-458-8006. GM's number for this recall is N242447940.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
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2025 Cadillac XT6 Problems, Complaints & Recalls | Skip That Year