B1602

DTC Troubleshooting: B1601, B1602

DTC B1601:

Keyless Access Control Unit Internal (CPU) Error

DTC B1602:

Keyless Access Control Unit Internal (EEPROM) Error

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Do the battery terminal disconnection procedure.

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

3. Do the 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.

Are DTCs B1601 and/or B1602 indicated?

YES -

Replace the keyless access control unit.

NO -

Intermittent failure, the system is OK at this time.