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Jared D
Jared D, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 1862
Experience:  Shop Supervisor at County Fleet
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My 2007 CTS gave me a message "Service Brake Assist." What

Customer Question

My 2007 CTS gave me a message "Service Brake Assist." What is the problem?
Submitted: 2 years ago.
Category: Cadillac
Expert:  Jared D replied 2 years ago.

When the light came on, is it hard to press the brakes?

This warning indicates the vehicle PCM has detected a fault in the power brake assist system. I attached a document from cadillac which describes each component of the system.

Do you have any other warning lights on?