Cruise Control Cannot Be Set
Cruise control cannot be set
Check for PGM-FI DTCs Initial Inspection and Diagnostic Overview.
Check the No. 13 (15 A) fuse in the under-hood fuse/relay box, and the No. 18 (15 A) fuse in the driver's under-dash fuse/relay box.
Do the cruise control input test Cruise Control (PCM) Input Test.
Do the cruise control combination switch test Cruise Control Combination Switch Test/Replacement.
Also check for
Poor ground at G101