Set Speed Does Not Cancel When The Cancel Button Is Pressed

Set speed does not cancel when the cancel button is pressed

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

Do the cruise control combination switch test Service and Repair.

Do the cruise control input test Cruise Control (PCM) Input Test.
Test the cancel switch signal input.

Also check for

Open circuit, loose or disconnected terminals: PUR, RED or WHT, GRY wire