Set Speed Does Not Cancel When The Brake Pedal Is Pressed

Set speed does not cancel when the brake pedal is pressed

Check for PGM-FI DTCs Initial Inspection and Diagnostic Overview.

Do the brake pedal position switch test Adjustments.

Do the cruise control input test Component Tests and General Diagnostics.
Test the brake pedal position switch signal input.

Also check for

Short to power on the ORN wire

Also check for

Faulty brake pedal position switch