WOMS
B code body Medium severity

B1714 Seat Driver Front Down Switch Circuit Open

The OBD2 code B1714 indicates that there is an open circuit in the driver front seat down switch, meaning the switch is not functioning properly or is disconnected, preventing the seat from moving down

Definition

The OBD2 code B1714 indicates that there is an open circuit in the driver front seat down switch, meaning the switch is not functioning properly or is disconnected, preventing the seat from moving down

Common causes

  • Faulty driver front seat down switch
  • Open circuit in the wiring harness
  • Poor connection or corroded terminals
  • Faulty seat control module
  • Damaged or frayed wires
  • Malfunctioning power supply to the switch
  • Issues with the vehicle's body control module (BCM)

Common misdiagnoses

  • Faulty seat switch
  • Wiring issues or shorts
  • Faulty seat control module
  • Malfunctioning body control module (BCM)
  • Issues with the power supply to the seat
  • Faulty connectors or terminals
  • Problems with the seat motor
  • Incorrectly diagnosed airbag system issues

Troubleshooting steps

  1. 1. Visual Inspection

    Check Wiring and Connectors: Inspect the wiring harness and connectors associated with the driver's seat switch. Look for any signs of damage, fraying, or corrosion

  2. 2. Check the Switch

    Examine the seat down switch for any physical damage or wear

  3. 3. Test the Switch

    Multimeter Testing: Use a multimeter to test the switch for continuity. Disconnect the switch and check for continuity when the switch is pressed. If there is no continuity, the switch may be faulty and needs replacement

  4. 4. Check for Shorts or Opens

    Wiring Continuity Test: With the switch disconnected, test the wiring from the switch to the seat control module for continuity. Look for any breaks or shorts in the wiring

  5. 5. Ground Connection

    Ensure that the ground connection for the seat switch is intact and functioning properly

  6. 6. Inspect the Seat Control Module

    Module Functionality: If the wiring and switch are in good condition, the issue may lie with the seat control module. Check for any fault codes in the module using a scan tool

  7. 7. Reprogram or Reset

    In some cases, reprogramming or resetting the module may resolve the issue

  8. 8. Check for Related Codes

    Scan for Additional Codes: Use an OBD-II scanner to check for any other related trouble codes that may provide additional context for the issue

  9. 9. Clear Codes and Test Drive

    Clear the Code: After performing the necessary repairs, clear the trouble code using a scan tool

  10. 10. Test Drive

    Take the vehicle for a test drive to see if the code reappears. Monitor the operation of the seat adjustment to ensure it functions correctly

  11. 11. Professional Help

    Seek Professional Assistance: If you are unable to resolve the issue after these steps, it may be best to consult a professional mechanic or technician who has experience with automotive electrical systems. By following these troubleshooting steps, you should be able to identify and resolve the issue related to the B1714 code