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DTC C0031-4A, C0034-4A, C0037-4A, C003A-4A

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DTC C0031-4A  : Left Front Wheel Speed Sensor Incorrect Installed DTC C0034-4A  : Right Front Wheel Speed Sensor Incorrect Installed DTC C0037-4A  : Left Rear Wheel Speed Sensor Incorrect Installed DTC C003A-4A  : Right Rear Wheel Speed Sensor Incorrect Installed

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

DTC Description DTC
C0031-4A Left Front Wheel Speed Sensor Incorrect Installed  
C0034-4A Right Front Wheel Speed Sensor Incorrect Installed  
C0037-4A Left Rear Wheel Speed Sensor Incorrect Installed  
C003A-4A Right Rear Wheel Speed Sensor Incorrect Installed  

DTC (VSA)

  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 to the ON mode.

    -4. Wait for 2 seconds or more.

    -5. Check for DTCs with the HDS.

    DTC Description DTC
    C0031-4A Left Front Wheel Speed Sensor Incorrect Installed  
    C0034-4A Right Front Wheel Speed Sensor Incorrect Installed  
    C0037-4A Left Rear Wheel Speed Sensor Incorrect Installed  
    DTC Description DTC
    C003A-4A Right Rear Wheel Speed Sensor Incorrect Installed  

    Is DTC C0031-4A, C0034-4A, C0037-4A, or C003A-4A indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .

  2. Wheel speed sensor check (substitution)

    -1. Substitute a known-good wheel speed sensor .

    DTC Appropriate Wheel Speed Sensor
    C0031-4A Left-front
    C0034-4A Right-front
    C0037-4A Left-rear
    C003A-4A Right-rear

    -2. Turn the vehicle to the ON mode.

    -3. Clear the DTC with the HDS.

    -4. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.

    -5. Wait for 2 seconds or more.

    -6. Check for DTCs with the HDS.

    DTC Description DTC
    C0031-4A Left Front Wheel Speed Sensor Incorrect Installed  
    C0034-4A Right Front Wheel Speed Sensor Incorrect Installed  
    C0037-4A Left Rear Wheel Speed Sensor Incorrect Installed  
    C003A-4A Right Rear Wheel Speed Sensor Incorrect Installed  

    Is DTC C0031-4A, C0034-4A, C0037-4A, or C003A-4A indicated?

    YES 

    Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .

    NO 

    Replace the original wheel speed sensor .