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DTC B1003

DTC B1003  : BCM PROGRAM error

NOTE:
  • Before updating the body control module, make sure the 12 volt battery in the vehicle is fully charged, and connect a 12 volt jumper battery (not a 12 volt battery charger) to maintain system voltage.
  • Never turn the vehicle to the ACCESSORY mode or OFF (LOCK) mode, during the reprogramming. If there is a problem with the reprogramming, turn the vehicle to the ON mode.
  • This DTC is indicated when a body control module update is not completed properly.
  • If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
DTC Description DTC
B1003 BCM PROGRAM error  

DTC (Body Control Module)

  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
    B1003 BCM PROGRAM error  

    Is DTC B1003 indicated?

    YES 

    Update the body control module .

    NO 

    Intermittent failure, the system is OK at this time.