DTC Troubleshooting: U0029-00
DTC U0029-00: F-CAN Malfunction (BUS-OFF)
NOTE:
Before you troubleshoot, review the how to troubleshooting information.
This DTC is stored by communication failure between the F-CAN line and the multipurpose camera unit. When DTC U0029-00 is indicated, the F-CAN line has already returned to normal. Check for loose terminals and poor connections at the connectors. If the connectors are OK, clear the DTC and following this troubleshooting.

DTC Description
DTC
Freeze Frame
U0029-00 F-CAN Malfunction (BUS-OFF)
    

1.
CAN gateway system DTC check:

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
  
U3000-49 CAN Gateway Internal Failure
  

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

     
YES
     
     
     
     
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.?