Possible Causes

• Network communication concern
• CCM

AP1 

• Ignition ON, engine OFF.

  Carry out the ABS self-test.

  Carry out the C-CM self-test.

• Are any DTCs besides C0072:xx present? 

  Yes	No
  DIAGNOSE all other DTCs first.	Go to  AP2.

• AP2: RECHECK DTC C0072:XX 
  • Ignition OFF.
  • Allow the vehicle to cool for 30 minutes.
  • Ignition ON, engine OFF.

    Carry out the ABS self-test.

    Carry out the C-CM self-test.

  • Is DTC C0072:xx still present? 

  Yes	No
  INSTALL a new CCM. REFER to the Cruise Control article.	The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.