Issue
Hazard description
Issue: On certain vehicles, a sensor in the electronic brake boost system may have a bad connection. Under certain driving conditions, this could cause a loss of brake assist. If this happens, there would be a sudden increase in brake pedal force required to slow or stop the vehicle. Safety Risk: Reduced brake performance can cause extended stopping distances and increase the risk of a crash. Corrective Actions: General Motors will notify owners by mail and instruct you to take your vehicle to a dealer to replace the electronic brake boost module.
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