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Home >> Acura >> 2022 >> ILX >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Electronic Power Steering (EPS) System - DTC Diagnostics (Except Hybrid)) >> DTC Troubleshooting >> DTC: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14, U3000-49

DTC: C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14, U3000-49

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

DTC C1400-11  : Motor Current Malfunction DTC C1400-13  : EPS Motor Circuit Open DTC C1400-14  : Motor Voltage Malfunction DTC C1400-96  : EPS Motor Malfunction DTC C1403-29  : Motor Angle Sensor (SIN/COS)Signals Incorrect Correlation DTC C1403-62  : EPS Motor Rotor Position Sensor Malfunction DTC C1421-14  : Main Torque Sensor Malfunction DTC C1422-14  : Sub Torque Sensor Malfunction DTC U3000-49  : EPS Control Unit Internal Circuit Malfunction

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTC Description DTC Freeze Frame
C1400-11 Motor Current Malfunction    
C1400-13 EPS Motor Circuit Open    
C1400-14 Motor Voltage Malfunction    
C1400-96 EPS Motor Malfunction    
C1403-29 Motor Angle Sensor (SIN/COS)Signals Incorrect Correlation    
C1403-62 EPS Motor Rotor Position Sensor Malfunction    
C1421-14 Main Torque Sensor Malfunction    
C1422-14 Sub Torque Sensor Malfunction    
U3000-49 EPS Control Unit Internal Circuit Malfunction    

DTC (EPS)

  1. 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 left and right, and keep holding each direction for 10 seconds.

    -5. Return back the steering wheel to the center position.

    -6. 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    
    C1400-96 EPS Motor Malfunction    
    C1403-29 Motor Angle Sensor (SIN/COS)Signals Incorrect Correlation    
    C1403-62 EPS Motor Rotor Position Sensor Malfunction    
    C1421-14 Main Torque Sensor Malfunction    
    C1422-14 Sub Torque Sensor Malfunction    
    U3000-49 EPS Control Unit Internal Circuit Malfunction    

    Is DTC C1400-11, C1400-13, C1400-14, C1400-96, C1403-29, C1403-62, C1421-14, C1422-14, 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 steering gearbox .

    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.