Set Speed Does Not Cancel When The Cruise Control Main Button Is Pressed

Set speed does not cancel when the cruise control main button is pressed

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

Do the cruise control combination switch test Service and Repair.

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

Also check for

Short to power on the LT GRN wire