B1708 – OBD-II DTC

OBD-II DTC B1708 – Seat Driver Recline Rearward Switch Circuit Short To Ground

DTC B1708 meaning

DTC B1708 refers to a diagnostic trouble code indicating a short circuit to ground in the driver recline rearward switch circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components and systems for faults. The driver recline rearward switch is responsible for controlling the reclining mechanism of the driver’s seat, allowing for adjustments in seating position for comfort and safety.

DTC B1708 symptoms

Common symptoms associated with DTC B1708 may include:

• Inability to adjust the driver’s seat recline position.
• Warning lights illuminated on the dashboard, particularly the airbag or seatbelt warning lights.
• Possible malfunction of other seat-related functions.
• Unusual noises from the seat adjustment mechanism.

DTC B1708 causes

Several factors can lead to the occurrence of DTC B1708, including:

• A short circuit in the wiring harness connected to the driver recline rearward switch.
• Faulty driver recline rearward switch.
• Corrosion or damage to electrical connectors.
• Issues with the seat control module or related components.

DTC B1708 seriousness

DTC B1708 is considered a moderate issue. While it may not immediately affect the vehicle’s drivability, it can impact the driver’s comfort and safety. The inability to adjust the seat properly can lead to poor driving posture, which may increase the risk of accidents. Additionally, the presence of this code may indicate underlying electrical issues that could affect other systems in the vehicle.

How to diagnose DTC B1708

To diagnose DTC B1708, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the B1708 code.
2. Inspect the wiring and connectors associated with the driver recline rearward switch for any visible damage or corrosion.
3. Test the driver recline rearward switch for proper operation using a multimeter.
4. Check for any additional trouble codes that may provide further insight into the issue.
5. Examine the seat control module and related components for faults.

How to fix DTC B1708 step-by-step instructions

To fix DTC B1708, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety while working on electrical components.
2. Inspect and repair any damaged wiring or connectors related to the driver recline rearward switch.
3. Replace the driver recline rearward switch if it is found to be faulty.
4. Reconnect all electrical connections and ensure they are secure.
5. Reconnect the vehicle’s battery.
6. Use an OBD-II scanner to clear the DTC and check if the code reappears after testing the seat adjustment function.

How to erase DTC B1708

To erase DTC B1708, 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 option to clear or erase trouble codes on the scanner.
4. Confirm the action to erase the DTC.
5. Disconnect the scanner and start the vehicle to ensure the code does not return.

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