DTC Troubleshooting: C1400-1D, U3000-49, U3000-55
DTC C1400-1D: EPS Motor Current Incorrect Correlation
DTC U3000-49: EPS Control Unit Internal Circuit Malfunction
DTC U3000-55: EPS Control Unit Internal Malfunction
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
Freeze Frame
C1400-1D EPS Motor Current Incorrect Correlation
    
U3000-49 EPS Control Unit Internal Circuit Malfunction
    
U3000-55 EPS Control Unit Internal Malfunction
    

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C1400-1D EPS Motor Current Incorrect Correlation
    
U3000-49 EPS Control Unit Internal Circuit Malfunction
    
U3000-55 EPS Control Unit Internal Malfunction
    

Is DTC C1400-1D, U3000-49, or U3000-55 indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time. 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.?