Set Speed Does Not Resume When The Resume/Accel Button Is Pressed (With The Cruise Control Main Switch Turned On)

Set speed does not resume when the resume/accel button is pressed (with the cruise control main switch turned on, and set speed temporarily canceled by pressing the brake pedal)

Set speed does not resume when the resume/accel button is pressed (with the cruise control main switch turned on, and set speed temporarily canceled by pressing the brake pedal)

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

Check the brake pedal position switch adjustment Adjustments.

Do the cruise control combination switch test Service and Repair.

Do the cruise control input test Cruise Control (PCM) Input Test.
Test the resume/accel switch signal input.
Test the brake pedal position switch signal input.

Also check for

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

Also check for

Faulty brake pedal position switch