One problem related to power assist brake vacuum has been reported for the 2015 Cadillac CTS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Cadillac CTS based on all problems reported for the 2015 CTS.
The contact owns a 2015 Cadillac Cts. The contact stated that while driving approximately 40 mph and attempting to stop, the braking system malfunctioned, and the brake pedal became very difficult to depress. The failure almost caused the contact to lose control of the vehicle and crash. The vehicle was turned off and restarted and the “brake assist" message was displayed. The vehicle was taken to the local dealer to be diagnosed. The contact was informed that the vacuum pump was faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was also notified of the failure. The failure mileage was 74,000.
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| Power Assist Brake Vacuum problems |