DTC Troubleshooting: C1400-11, C1400-13, C1400-14, C1403-14, C1403-29, U3000-49
DTC C1400-11: Motor Current Malfunction
DTC C1400-13: EPS Motor Circuit Open
DTC C1400-14: Motor Voltage Malfunction
DTC C1403-14: Motor Angle Sensor (SIN/COS) Signals Open or Short
DTC C1403-29: Motor Angle Sensor (SIN/COS) Signals Incorrect Correlation
DTC U3000-49: EPS Control Unit Internal Circuit Malfunction

DTC Description
DTC
Freeze Frame
C1400-11 Motor Current Malfunction
   
C1400-13 EPS Motor Circuit Open
   
C1400-14 Motor Voltage Malfunction
   
C1403-14 Motor Angle Sensor (SIN/COS) Signals Open or Short
   
C1403-29 Motor Angle Sensor (SIN/COS) Signals Incorrect Correlation
   
U3000-49 EPS Control Unit Internal Circuit 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 start the engine.

?4.
Turn the steering wheel to left and right several times, and keep holding each direction for 10 seconds.

?5.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C1400-11 Motor Current Malfunction
   
C1400-13 EPS Motor Circuit Open
   
C1400-14 Motor Voltage Malfunction
   
C1403-14 Motor Angle Sensor (SIN/COS) Signals Open or Short
   
C1403-29 Motor Angle Sensor (SIN/COS) Signals Incorrect Correlation
   
U3000-49 EPS Control Unit Internal Circuit Malfunction
   

Is DTC C1400-11, C1400-13, C1400-14, C1403-14, C1403-29, or U3000-49 indicated?

     
YES
     
     
     
Check for loose terminals and poor connections at the EPS control unit connectors. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the EPS motor/control unit.?
     
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.?