Set speed does not cancel when the brake pedal is pressed

Diagnostic procedure

1. Check for PGM-FI and body DTCs.
2. Check the No. 13 (20 A) fuse in the under-hood fuse/relay box, and the No. 18 (15 A) fuse in the under-dash fuse/relay box.
3. Do the cruise control input test.
4. Test the brake pedal position switch signal input.

Also check for

- Short in the WHT/BLK wire
- Faulty brake pedal position switch