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DTC U1280 (Automatic Lighting Control Unit)

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DTC U1280  : BUS OFF State is Detected by CAN Controller

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
DTC Description DTC
U1280 BUS OFF state is detected by CAN controller  

DTC (Automatic Lighting Control Unit)

  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
    U1280 BUS OFF state is detected by CAN controller  

    Is DTC U1280 indicated?

    YES 

    Go to body control module DTC U1280 troubleshooting .

    NO 

    Intermittent failure, the system is OK at this time.