Excessive Brake Pulsation

CIRCUIT DESCRIPTION
When braking during Stabilitrak activation, the brake pedal will feel different than the ABS pedal pulsation. The brake pedal pulsates at a higher frequency during Stabilitrak activation. Perform this test if the brake pedal buzzes excessively during medium braking. Medium braking is defined as greater than 0.3 g or 10 ft./S2 (3 M/S2).