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 combination switch test Cruise Control Combination Switch Test/Replacement.

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

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

Also check for

Short to power on the PNK, LT GRN wire