( TF09E8VA14500000000HAAT04 )
Vehicle does not decelerate or accelerate accordingly when the set/decel or resume/accel switch is pressed

Diagnostic procedure
  1. Check for PGM-FI DTCs.
  2. Do the cruise control combination switch test.
  3. Do the cruise control input test. Test the cruise control set/decel and resume/accel switch signal input.
Also check for
  • Open circuit, loose or disconnected terminals: YEL/RED, RED or LT GRN/BLK, BLU wire