DTC Troubleshooting: U1280 (80)
ElectronicCircuitSchematics-button
SystemDescription-button
Network Communications System Description
DTC U1280 or DTC indicator 80
: Communication Bus Line Error (BUS-OFF)
DTC Description
DTC
U1280 Communication Bus Line Error (BUS-OFF)
DTC (AC)
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.
Do the Self-Diagnostic Function with the climate control unit
.
?4.
Wait for at least 6 seconds.
?5.
Check for DTCs.
DTC Description
DTC
U1280 Communication Bus Line Error (BUS-OFF)
Is DTC U1280 or 80 indicated?
YES
Go to MICU DTC U1280 troubleshooting
.?
NO
Intermittent failure, the system is OK at this time.?
Troubleshooting Start