DTC B1601: Keyless Access ECU CPU Error

DTC (Keyless Access Control Unit)

1. Problem verification:

   - 1. Do the 12 volt battery terminal disconnection procedure .

   - 2. Wait for at least 10 seconds to clear the DTCs.

   - 3. Do the 12 volt battery terminal reconnection procedure .

   - 4. Push the door outer handle door lock button to lock the door.

   - 5. Touch the door outer handle touch sensor to unlock the door.

   - 6. Connect the HDS to the data link connector (DLC) .

   - 7. Press the engine start/stop button to select the ON mode according to the instructions on the HDS screen.

   - 8. Check for DTCs with the HDS.

   DTC Description	DTC
   B1601 Keyless Access ECU CPU Error

   Is DTC B1601 indicated?

   YES 

   Replace the keyless access control unit .

   NO 

   Intermittent failure, the system is OK at this time.