Manufacturer Code Charts: 199

DTC Troubleshooting: 199

DTC 199:

ACC unit Programming Error

NOTE:

- This DTC is indicated when an ACC unit update is not complete.
- Do not press the engine start/stop button to select the OFF mode while updating the ACC unit. If you press the engine start/stop button to select the OFF mode before completion, the ACC unit will be damaged.

1. Clear the DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

2. Do the ACC unit update Testing and Inspection.

3. Check for DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

Is DTC 199 indicated?

YES -

Faulty ACC unit; replace the ACC unit Service and Repair, then recheck.�

NO -

The update is complete.�