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 (ECM/PCM) Input Test.
Test the cancel switch signal input.

Also check for

Open circuit, loose or disconnected terminals: GRY or LT GRN wire, LT BLU or GRY wire