The vehicle's park brake system failed to actuate resulting in unsafe parking of vehicle on hills/slopes. The service park brake light activated on the dash. Vehicle was taken to dealership to investigate. They confirmed park brake system was not working. This vehicle has electronic actuators for the park brake function on e…
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The vehicle's park brake system failed to actuate resulting in unsafe parking of vehicle on hills/slopes. The service park brake light activated on the dash. Vehicle was taken to dealership to investigate. They confirmed park brake system was not working. This vehicle has electronic actuators for the park brake function on each rear wheel. The dealership did not find any defective components but determined the vehicle software was the root cause. The software was reset and the system now performs as intended. I am very concerned that a software failure associated with a key parking brake safety system can occur with no known cause.
General Motors LLC (GM) is recalling certain model year 2017 Cadillac XT5 vehicles manufactured April 16, 2016, to May 9, 2016, and 2017 GMC Acadia vehicles manufactured April 19, 2016, to April 22, 2016. The front brake calipers may have a torn or misaligned caliper piston seal which may allow brake fluid to leak.
Consequence & remedy
Consequence: If there is a brake fluid leak, braking performance may be reduced, increasing the risk of a crash.
Remedy: GM will notify owners, and dealers will inspect the front brake calipers, replacing the brake caliper assemblies, as necessary, free of charge. The recall began on December 12, 2016. Owners may contact GM customer service at 1-800-458-8006 (Cadillac), or 1-800-462-8782 (GMC). GM's number for this recall is 16096.
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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2017 Cadillac XT5 Problems, Complaints & Recalls | Skip That Year
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