DTC Troubleshooting: U0029
DTC U0029: F-CAN communication line error
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

DTC Description
DTC
U0029 F-CAN communication line error
  

1.
Problem verification:

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
U0029 F-CAN communication line error
  

Is DTC U0029 indicated?

     
YES: with CAN gateway
     
     
     
     
YES: without CAN gateway
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time.?