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Home >> Acura >> 2014 >> MDX SH-AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> VSA System - DTC Diagnostics (1 Of 2) (Except Hybrid) >> DTC Troubleshooting >> VSA DTC 12-15, 14-15, 16-15, 18-15

VSA DTC 12-15, 14-15, 16-15, 18-15

DTC 12-15  : Right-Front Wheel Speed Sensor Installation Error

DTC 14-15  : Left-Front Wheel Speed Sensor Installation Error

DTC 16-15  : Right-Rear Wheel Speed Sensor Installation Error

DTC 18-15  : Left-Rear Wheel Speed Sensor Installation Error

NOTE:  Before you troubleshoot, review the how to troubleshoot the VSA system - Refer to:

How to Troubleshoot the VSA System (2014 2015 2016) or

How to Troubleshoot the VSA System (2017 2018 2019 2020) 

DTC Description DTC Freeze Frame
12-15 Right-Front Wheel Speed Sensor Installation Error    
14-15 Left-Front Wheel Speed Sensor Installation Error    
16-15 Right-Rear Wheel Speed Sensor Installation Error    
18-15 Left-Rear Wheel Speed Sensor Installation Error    

DTCs (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.

    - 4. Test-drive the vehicle at 12 mph (20 km/h) or more.

    NOTE:  Drive the vehicle on the road, not on a lift.

    - 5. Check for DTCs with the HDS.

    DTC Description DTC Freeze Frame
    12-15 Right-Front Wheel Speed Sensor Installation Error    
    14-15 Left-Front Wheel Speed Sensor Installation Error    
    16-15 Right-Rear Wheel Speed Sensor Installation Error    
    18-15 Left-Rear Wheel Speed Sensor Installation Error    

    Is DTC 12-15, 14-15, 16-15, or 18-15 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 - Refer to:

    How to Troubleshoot the VSA System (2014 2015 2016) or

    How to Troubleshoot the VSA System (2017 2018 2019 2020) 

    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.

  2. Wheel speed sensor installation check

    - 1. Turn the vehicle to the OFF (LOCK) mode.

    - 2.Check that the appropriate wheel speed sensor is properly mounted.  Refer to:

    Wheel Speed Sensor Removal and Installation (2014 2015 2016) , or

    Wheel Speed Sensor Removal and Installation (2017 2018 2019 2020), .

    DTC Appropriate Wheel Speed Sensor
    12-15 Right-front
    14-15 Left-front
    16-15 Right-rear
    18-15 Left-rear

    Is the wheel speed sensor installation OK?

    YES 

    Go to step 3.

    NO 

    Reinstall the wheel speed sensor and recheck the mounting position, then go to step 1. - Refer to:

    Wheel Speed Sensor Removal and Installation (2014 2015 2016) , or

    Wheel Speed Sensor Removal and Installation (2017 2018 2019 2020), .

  3. Wheel speed sensor check (substitution)

    - 1. Substitute a known-good wheel speed sensor.  Refer to:

    Wheel Speed Sensor Removal and Installation (2014 2015 2016) , or

    Wheel Speed Sensor Removal and Installation (2017 2018 2019 2020), .

    DTC Appropriate Wheel Speed Sensor
    12-15 Right-front
    14-15 Left-front
    16-15 Right-rear
    18-15 Left-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.

    - 5. Test-drive the vehicle at 12 mph (20 km/h) or more.

    NOTE:  Drive the vehicle on the road, not on a lift.

    - 6. Check for DTCs with the HDS.

    DTC Description DTC Freeze Frame
    12-15 Right-Front Wheel Speed Sensor Installation Error    
    14-15 Left-Front Wheel Speed Sensor Installation Error    
    16-15 Right-Rear Wheel Speed Sensor Installation Error    
    18-15 Left-Rear Wheel Speed Sensor Installation Error    

    Is DTC 12-15, 14-15, 16-15, or 18-15 indicated?

    YES 

    Go to step 4.

    NO 

    Replace the original wheel speed sensor - Refer to:

    Wheel Speed Sensor Removal and Installation (2014 2015 2016) , or

    Wheel Speed Sensor Removal and Installation (2017 2018 2019 2020), .

  4. VSA modulator-control unit check (update)

    - 1.Update the VSA modulator-control unit if it does not have the latest software.

    - 2. Turn the vehicle to the OFF (LOCK) mode.

    - 3. Test-drive the vehicle at 12 mph (20 km/h) or more.

    NOTE:  Drive the vehicle on the road, not on a lift.

    - 4. Check for DTCs with the HDS.

    DTC Description DTC Freeze Frame
         

    Is DTC 12-15, 14-15, 16-15, or 18-15 indicated?

    YES 

    Check for loose terminals in the VSA modulator-control unit 38P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit .

    NO 

    Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.