B1714 – Seat Driver Front Down Switch Circuit Open

The ODBII 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.

The severity of ODBII code B1714 is generally considered moderate.

Common Causes For: B1713 Seat Driver Front Down Switch Circuit Failure

• 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 misdiagnosis for B1714 Seat Driver Front Down Switch Circuit Open

• 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

Common Troubleshooting Steps

The OBD-II code B1714 indicates a problem with the driver’s front seat down switch circuit, specifically that the circuit is open. This can be caused by a variety of issues, including wiring problems, switch malfunctions, or issues with the seat control module. Here are some common troubleshooting steps to diagnose and resolve the issue:

• 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.
• **Check the Switch: Examine the seat down switch for any physical damage or wear.
• 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.
• 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.
• **Ground Connection: Ensure that the ground connection for the seat switch is intact and functioning properly.
• 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.
• **Reprogram or Reset: In some cases, reprogramming or resetting the module may resolve the issue.
• 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.
• Clear Codes and Test Drive: **Clear the Code: After performing the necessary repairs, clear the trouble code using a scan tool.
• **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.
• Consult Service Manual: **Refer to Manufacturer’s Manual: If the issue persists, consult the vehicle’s service manual for specific diagnostic procedures and wiring diagrams related to the seat adjustment system.
• 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.