Diagnostic Test

CHECK FOR OTHER DTCS

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, check DTCs.
Are any other module reporting DTCs?

Yes
- Refer to the appropriate diagnostic procedure and repair as necessary.
No
- This DTC is an informational DTC.
- Check all supporting systems for proper operation such as engine, transmission and braking systems.
- A vehicle collision can also cause this DTC to set.
- Make sure the vehicle supporting systems are properly configured.
- If no other DTCs are present and no other problems are found, replace and program the Adaptive Cruise Control (ACC) module in accordance with the Service Information. Refer to MODULE, ADAPTIVE CRUISE CONTROL (ACCM), REMOVAL .
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .