WOMS
B code body Medium severity

B1717 Seat Driver Forward Switch Circuit Failure

The OBD2 code B1717 indicates a malfunction in the driver’s seat forward switch circuit, which may involve issues with the switch itself, wiring, or the seat control module

Definition

The OBD2 code B1717 indicates a malfunction in the driver’s seat forward switch circuit, which may involve issues with the switch itself, wiring, or the seat control module

Common causes

  • Faulty driver seat forward switch
  • Damaged wiring or connectors in the circuit
  • Short circuit in the seat switch circuit
  • Open circuit in the seat switch circuit
  • Faulty seat control module
  • Corrosion or poor connections in the wiring harness
  • Malfunctioning power supply to the switch or module

Common misdiagnoses

  • Faulty seat switch
  • Wiring issues or shorts in the circuit
  • Faulty seat control module
  • Issues with the body control module (BCM)
  • Problems with the power supply to the seat switch
  • Incorrectly diagnosed seat position sensor issues
  • Misinterpretation of related codes or symptoms

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other related trouble codes. This can provide more context and help identify if there are multiple issues

  2. 2. Inspect the Wiring and Connectors

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

  3. 3. Connector Integrity

    Ensure that all connectors are securely attached and free of dirt or moisture

  4. 4. Test the Seat Switch

    Functionality Test: Use a multimeter to test the driver's seat forward switch for continuity. Press the switch and check if it completes the circuit

  5. 5. Replace if Necessary

    If the switch is faulty, replace it with a new one

  6. 6. Check the Seat Control Module

    Module Functionality: If the switch is functioning correctly, the issue may lie within the seat control module. Check for any signs of damage or malfunction

  7. 7. Reprogramming

    In some cases, the module may need to be reprogrammed or reset

  8. 8. Inspect the Power Supply

    Voltage Check: Ensure that the seat is receiving the proper voltage. Use a multimeter to check the voltage at the seat switch and the control module

  9. 9. Fuses

    Check the relevant fuses in the fuse box to ensure they are not blown

  10. 10. Check Ground Connections

    Ensure that the ground connections for the seat system are secure and free of corrosion. A poor ground can lead to circuit failures

  11. 11. Perform a System Reset

    Disconnect the vehicle's battery for a few minutes to reset the system. Reconnect and see if the code reappears

  12. 12. Consult the Service Manual

    Refer to the vehicle's service manual for specific wiring diagrams and troubleshooting procedures related to the seat control system

  13. 13. Seek Professional Help

    If the issue persists after performing the above steps, it may be best to consult a professional mechanic or an automotive technician who specializes in electrical systems. By following these steps, you should be able to identify and potentially resolve the issue related to the B1717 code. Always ensure safety precautions are taken when working with electrical systems in vehicles