B1714 – OBD-II DTC

OBD-II DTC B1714 – Seat Driver Front Down Switch Circuit Open

DTC B1714 meaning

DTC B1714 refers to a diagnostic trouble code indicating an issue with the seat driver front down switch circuit. Specifically, it signifies that the circuit is open, meaning there is a break in the electrical connection that prevents the switch from functioning properly. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components for faults.

DTC B1714 symptoms

Common symptoms associated with DTC B1714 may include:

  • The driver’s seat may not move down when the switch is activated.
  • Other seat adjustments may also be affected.
  • Warning lights may illuminate on the dashboard, indicating a seat-related issue.
  • In some cases, the vehicle may enter a fail-safe mode, limiting seat functionality.

DTC B1714 causes

Several factors can lead to the occurrence of DTC B1714, including:

  • A faulty seat driver front down switch.
  • Wiring issues, such as frayed or broken wires in the circuit.
  • Corrosion or poor connections at the switch or related connectors.
  • Malfunctioning seat control module.
  • Issues with the vehicle’s power supply to the seat adjustment system.

DTC B1714 seriousness

The seriousness of DTC B1714 can vary. While it may not pose an immediate safety risk, it can affect the driver’s ability to adjust the seat for optimal comfort and safety. If left unaddressed, it may lead to further electrical issues or complications with the seat adjustment system.

How to diagnose DTC B1714

To diagnose DTC B1714, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of the B1714 code.
  2. Inspect the seat driver front down switch for physical damage or wear.
  3. Check the wiring and connectors for signs of corrosion, fraying, or disconnection.
  4. Test the continuity of the circuit using a multimeter.
  5. Examine the seat control module for any faults or error codes.

How to fix DTC B1714 step-by-step instructions

To fix DTC B1714, follow these step-by-step instructions:

  1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
  2. Inspect and replace the seat driver front down switch if it is found to be faulty.
  3. Repair or replace any damaged wiring or connectors in the circuit.
  4. Reconnect all components and ensure secure connections.
  5. Reconnect the vehicle’s battery.
  6. Clear the DTC using an OBD-II scanner and test the seat adjustment functionality.

How to erase DTC B1714

To erase DTC B1714, follow these steps:

  1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
  2. Turn on the vehicle’s ignition without starting the engine.
  3. Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
  4. Confirm the action to erase the trouble codes.
  5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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