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 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.