OBD II Fault Code

  • OBD II P0566

OBD-II Code Cruise control will not operate is defined as a Cruise Control "Off" Signal

The Cruise Control System is controlled by the Body Control Module. The Body Control Module monitors driver inputs to the cruise control system and sends that request to the engine computer (PCM). If the body control module detects an invalid input from the cruise control "Off" Switch, code P056 will be set.

Cruise control will not operate Symptoms

  • Cruise control will not operate

Common Problems That Trigger the P0566 Code

  • Body Control Module (BCM) failure
  • Cruise control master switch failure
  • Wiring issue
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