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DTC B1002: MICU Internal Error (EEPROM Error)

DTC Description DTC
B1002 MICU Internal Error (EEPROM Error)  

DTC (MICU)

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks (2015-17), or Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks (2018-19) .

  1. Problem verification

    -1. Clear the DTCs with the HDS.

    - 2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

    - 3. Wait for at least 6 seconds.

    - 4. Check for DTCs with the HDS.

    DTC Description DTC
    B1002 MICU Internal Error (EEPROM Error)  

    Is DTC B1002 indicated?

    YES 

    Faulty MICU; replace the under-dash fuse/relay box .

    NO 

    Intermittent failure, the MICU is OK at this time.