DTC Troubleshooting: U0029-00
DTC U0029-00: Millimeter Wave Radar 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 millimeter wave radar. 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.
The functions of the integrated driver support system that will be temporarily canceled when this DTC is recorded can be confirmed with the DTC troubleshooting index.

DTC Description
DTC
U0029-00 Millimeter Wave Radar 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 DTCs with the HDS.
DTC Description
DTC
   

Are any DTCs indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.?