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Home >> Acura >> 2018 >> RLX Base >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Multipurpose Camera Unit - Troubleshooting (Except Hybrid) >> DTC Troubleshooting >> DTC U0047-00

DTC U0047-00

DTC U0047-00  : Extended F-CAN Malfunction (BUS-OFF)

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the how to troubleshooting information .

DTC Description DTC Freeze Frame
U0047-00 Extended F-CAN Malfunction (BUS-OFF)    

DTC (IDAS)

  1. CAN gateway system DTC check

    -1. Turn the vehicle to the ON mode.

    -2. Check for CAN gateway system DTCs with the HDS.

    DTC Description DTC
    U0029-00 CAN Gateway F-CAN ch A Bus Off  
    U0047-00 CAN Gateway F-CAN ch B Bus Off  
    U0056-00 CAN Gateway F-CAN ch C Bus Off  
    U3000-49 CAN Gateway Internal Failure  

    Is DTC U0029-00, U0047-00, U0056-00, and/or U3000-49 indicated?

    YES 

    Go to the indicated DTCs troubleshooting .

    NO 

    Go to step 2.

  2. Problem verification

    -1. Clear the DTC with the HDS.

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

    -3. Turn the vehicle to the ON mode, then wait for at least 5 seconds.

    -4. Check for DTCs with the HDS.

    DTC Description DTC Freeze Frame
    U0047-00 Extended F-CAN Malfunction (BUS-OFF)    

    Is DTC U0047-00 indicated?

    YES 

    The failure is duplicated. Go to step 3.

    NO 

    Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting . If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.

  3. Multipurpose camera unit check (update)

    -1. Update the multipurpose camera unit if it does not have the latest software .

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

    -3. Turn the vehicle to the ON mode, then wait for at least 5 seconds.

    -4. Check for DTCs with the HDS.

    Is DTC U0047-00 indicated?

    YES 

    Check for loose terminals in the multipurpose camera unit 20P connector. If the multipurpose camera unit was updated and the symptom/indication is still present, replace the multipurpose camera unit .

    NO 

    Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTC's troubleshooting.