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DTC B12D3: Power control unit IG latch circuit error

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DTC Description DTC
B12D3 Power control unit IG latch circuit error  

DTC (Power Control Unit)

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 .

NOTE:  Make sure aftermarket accessories are not installed.

  1. Problem verification:

    - 1. Turn the vehicle to the ON mode.

    - 2. Clear the DTCs with the HDS.

    - 3. Do this procedure 5 times: Turn the vehicle to the OFF (LOCK) mode, ACCESSORY mode, ON mode, and OFF (LOCK) mode.

    - 4. Turn the vehicle to the ON mode.

    - 5. Check for DTCs with the HDS.

    DTC Description DTC
    B12D3 Power control unit IG latch circuit error  

    Is DTC B12D3 indicated?

    YES 

    Replace the keyless access control unit .

    NO 

    Intermittent failure, the system is OK at this time.