Diagnostic Test

CHECK IF THE DTC IS ACTIVE

NOTE:

To help in the service of the Adaptive Cruise Control (ACC) system, it is recommended to communicate with the customer to obtain the environmental conditions they were driving in when the cruise control concern took place. Heavy rain, snow, ice, and fog can cause the ACC system to become inoperative. This is considered as a normal operational reaction of the ACC system and no repair is necessary.

Ignition on, engine not running.
With the scan tool, attempt to erase Adaptive Cruise Control (ACC) DTCs.
Can you erase this DTC?

Yes
- If the DTC can be erased without resetting, no further repair is necessary.
- Test complete.
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- This DTC is an indication of a malfunction in the ABS module that the Dynamic Sensor is out of its designed parameters.
- With the scan tool, check for any DTCs in the ABS module and repair as necessary.
  NOTE:
  It may be necessary to run the initialization routine in the ABS module or change/program the vehicle configuration.
- If there are no ABS DTCs present, and the DTC cannot be cleared or go into a stored state, replace and program the Adaptive Cruise Control (ACC) module in accordance with the Service Information. Refer to MODULE, ADAPTIVE CRUISE CONTROL, REMOVAL .
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .