If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.

Service Brakes

Summary

General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.

Actions

GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.

Documents (5)

• Manufacturer Notices(to Dealers,etc) - Stop Delivery Order for Upcoming Safety Recall A202307260
• Recall Acknowledgement
• Defect Notice 573 Report
• Miscellaneous Document - Frequently Asked Questions (FAQs) for Safety Recall A202307260 Loss of Brake Assist
• Frequently Asked Questions (FAQs) for Safety Recall A202307260 Loss of Brake Assist

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