DTC Troubleshooting: U0073
ElectronicCircuitSchematics-button
SystemDescription-button
Network Communications System Description
DTC U0073
: F-CAN Communication Bus 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
U0073 F-CAN Communication Bus Line Error
DTC (Keyless Access Power Control Unit)
1.
Problem verification:
Problem verification
?1.
Clear the DTCs with the HDS.
Clear DTCs
?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
U0073 F-CAN Communication Bus Line Error
Is DTC U0073 indicated?
YES: with CAN gateway
Go to the troubleshooting for CAN gateway system DTC(s)
.?
YES: without CAN gateway
Go to F-CAN Circuit Troubleshooting
.?
NO
Intermittent failure, the system is OK at this time.?
Troubleshooting Start