B1717 – OBD-II DTC

OBD-II DTC B1717 – Seat Driver Forward Switch Circuit Failure

DTC B1717 meaning

DTC B1717 refers to a fault in the seat driver forward switch circuit. This diagnostic trouble code indicates that the vehicle’s onboard diagnostic system has detected an issue with the electrical circuit responsible for controlling the forward movement of the driver’s seat. The problem may stem from a malfunctioning switch, wiring issues, or a failure in the seat control module.

DTC B1717 symptoms

Common symptoms associated with DTC B1717 may include:

• The driver’s seat may not move forward or backward.
• Intermittent or complete loss of seat adjustment functionality.
• Warning lights on the dashboard related to the seat or airbag system.
• Possible issues with other seat functions, such as reclining or lumbar support.

DTC B1717 causes

Several factors can lead to the occurrence of DTC B1717, including:

• A faulty seat driver forward switch.
• Damaged or frayed wiring in the seat adjustment circuit.
• Corrosion or poor connections in the electrical connectors.
• Malfunctioning seat control module.
• Issues with the vehicle’s body control module (BCM) affecting seat functions.

DTC B1717 seriousness

DTC B1717 is considered a moderate issue. While it may not directly affect the vehicle’s drivability, it can impact the driver’s comfort and safety. A malfunctioning seat can lead to improper seating position, which may affect visibility and control of the vehicle. Additionally, if the issue is related to the airbag system, it could pose a safety risk in the event of a collision.

How to diagnose DTC B1717

To diagnose DTC B1717, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC B1717.
2. Inspect the seat driver forward switch for physical damage or wear.
3. Check the wiring and connectors for signs of corrosion, fraying, or disconnection.
4. Test the seat driver forward switch using a multimeter to ensure it is functioning correctly.
5. Examine the seat control module for any fault codes or issues.
6. Perform a continuity test on the wiring harness to ensure proper electrical flow.

How to fix DTC B1717 step-by-step instructions

To fix DTC B1717, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
2. Inspect and replace the seat driver forward switch if it is found to be faulty.
3. Repair or replace any damaged wiring or connectors in the seat adjustment circuit.
4. Reconnect any loose connections and ensure all connectors are secure.
5. Test the seat adjustment functions to confirm that the issue has been resolved.
6. Reconnect the vehicle’s battery and clear the DTC using an OBD-II scanner.

How to erase DTC B1717

To erase DTC B1717, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the diagnostic menu on the scanner and select the option to clear or erase trouble codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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