Diagnostic Test
- VERIFY DTC IS ACTIVE
- Using a scan tool, read ACC DTCs.
Is the DTC active at this time?
Yes
- Replace the ACC Module in accordance with the Service Information.
- Perform the ACC MODULE VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Adaptive Cruise Control (ACC) - Standard Procedure .
No
- No repair is necessary. Make sure the lens is free of dirt, damage, and other obstructions. Clear the DTC and verify the proper operation of the ACC system.
- Perform the ACC MODULE VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Adaptive Cruise Control (ACC) - Standard Procedure .
- Using a scan tool, read ACC DTCs.